Boeing North American Inc
Boeing NorActive Patents
0
Total Holdings
215
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP0740445A2 | Method and system for establishing voice communications usi… | Expired / Lapsed | 1996-04-18 | — | 24 | Details |
| EP0586857A1 | Vehicle lane position detection system | Expired / Lapsed | 1993-07-27 | — | 11 | Details |
| EP0569195A2 | Telephonic switching system with a user controlled data mem… | Expired / Lapsed | 1993-04-29 | — | 26 | Details |
| EP0069207A1 | Seat positioner | Expired / Lapsed | 1982-04-27 | — | 12 | Details |
| DE2907660A1 | POWER SUPPLY CIRCUIT AND ARRANGEMENT EQUIPPED WITH IT FOR M… | Expired / Lapsed | 1979-02-27 | — | 0 | Details |
| GB1280879A | Brake system | Expired / Lapsed | 1969-10-28 | — | 0 | Details |
| DE1756477A1 | Terrain follower radar system with intermittent radiation | Expired / Lapsed | 1968-05-28 | — | 0 | Details |
| DE1455879B2 | DIFFERENTIAL GEAR WITH AUTOMATICALLY WORKING COMPENSATING L… | Expired / Lapsed | 1965-05-19 | — | 0 | Details |
| EP0569195B1 | Telephonic switching system with a user controlled data mem… | Expired / Lapsed | 1993-04-29 | 2000-03-01 | 26 | Details |
| US5585813A | All aspect head aiming display | Expired / Lapsed | 1995-09-18 | 1996-12-17 | 16 | Details |
| EP0478887B1 | Diametral runout reducer | Expired / Lapsed | 1991-05-03 | 1994-10-19 | 4 | Details |
| US5042565A | Fiber reinforced composite leading edge heat exchanger and … | Expired / Lapsed | 1990-01-30 | 1991-08-27 | 17 | Details |
| US5010506A | Spurious level reduction and control method for direct digi… | Expired / Lapsed | 1989-06-19 | 1991-04-23 | 16 | Details |
| US5006813A | Nonlinear optical doppler imaging amplifier | Expired / Lapsed | 1986-02-10 | 1991-04-09 | 17 | Details |
| US4809205A | Digital sine conversion circuit for use in direct digital s… | Expired / Lapsed | 1986-11-19 | 1989-02-28 | 12 | Details |
| US4793908A | Multiple ion source method and apparatus for fabricating mu… | Expired / Lapsed | 1986-12-29 | 1988-12-27 | 23 | Details |
| US4765220A | Strand supply carrier and tensioning mechanism | Expired / Lapsed | 1987-09-25 | 1988-08-23 | 6 | Details |
| US4763470A | Spring collar coupling | Expired / Lapsed | 1987-01-30 | 1988-08-16 | 6 | Details |
| US4668435A | Thermal conversion of wastes | Expired / Lapsed | 1984-03-20 | 1987-05-26 | 8 | Details |
| US4644207A | Integrated dual pump system | Expired / Lapsed | 1985-04-15 | 1987-02-17 | 17 | Details |
| US4644202A | Sealed and balanced motor and fluid pump system | Expired / Lapsed | 1985-04-15 | 1987-02-17 | 11 | Details |
| US4639078A | Optical fiber attenuator and method of fabrication | Expired / Lapsed | 1984-10-05 | 1987-01-27 | 4 | Details |
| US4593456A | Pyroelectric thermal detector array | Expired / Lapsed | 1985-04-10 | 1986-06-10 | 9 | Details |
| US4589176A | Fiber-composite turbine blade and method for its constructi… | Expired / Lapsed | 1983-11-25 | 1986-05-20 | 11 | Details |
| US4583822A | Quintic refractive index profile antireflection coatings | Expired / Lapsed | 1984-10-31 | 1986-04-22 | 13 | Details |
| US4568938A | Radar altimeter nearest return tracking | Expired / Lapsed | 1981-12-14 | 1986-02-04 | 17 | Details |
| US4535518A | Method of forming small-diameter channel within an object | Expired / Lapsed | 1983-09-19 | 1985-08-20 | 16 | Details |
| USD279564S | Microcomputer | Expired / Lapsed | 1981-12-07 | 1985-07-09 | 1 | Details |
| US4520669A | Cross-axis acceleration compensation for angular rate sensi… | Expired / Lapsed | 1982-07-28 | 1985-06-04 | 10 | Details |
| US4519667A | Electrical connector | Expired / Lapsed | 1982-05-06 | 1985-05-28 | 2 | Details |
| US4509049A | FMCW system for providing search-while-track functions and … | Expired / Lapsed | 1982-07-26 | 1985-04-02 | 18 | Details |
| US4469757A | Structural metal matrix composite and method for making same | Expired / Lapsed | 1982-05-20 | 1984-09-04 | 6 | Details |
| US4468784A | Three-state digital mixer-driver circuit | Expired / Lapsed | 1982-09-15 | 1984-08-28 | 17 | Details |
| US4463355A | Solid state mach/air speed indicator | Expired / Lapsed | 1982-02-26 | 1984-07-31 | 21 | Details |
| US4462082A | Automatic calibration system for ultrasonic inspection | Expired / Lapsed | 1981-09-17 | 1984-07-24 | 10 | Details |
| USRE31569E | Tension control of fasteners | Expired / Lapsed | 1981-12-21 | 1984-05-01 | 61 | Details |
| US4446527A | High accuracy measuring apparatus | Expired / Lapsed | 1981-11-02 | 1984-05-01 | 6 | Details |
| US4444053A | Sensor assembly for strapped-down attitude and heading refe… | Expired / Lapsed | 1982-04-21 | 1984-04-24 | 9 | Details |
| US4433412A | Method and apparatus for testing and verifying the operabil… | Expired / Lapsed | 1981-05-15 | 1984-02-21 | 9 | Details |
| US4423467A | Connection array for interconnecting hermetic chip carriers… | Expired / Lapsed | 1980-12-15 | 1983-12-27 | 3 | Details |
| US4400805A | Acoustically filtered transducer | Expired / Lapsed | 1981-04-27 | 1983-08-23 | 9 | Details |
| US4395913A | Broadband electromagnetic acoustic transducers | Expired / Lapsed | 1981-07-31 | 1983-08-02 | 22 | Details |
| US4386650A | Temperature control system | Expired / Lapsed | 1976-02-05 | 1983-06-07 | 21 | Details |
| US4385401A | Three-state digital mixer-driver circuit | Expired / Lapsed | 1980-05-17 | 1983-05-24 | 18 | Details |
| US4373919A | Multi-passage variable diffuser inlet | Expired / Lapsed | 1980-11-17 | 1983-02-15 | 6 | Details |
| US4366422A | Velocity sensing pulse pair servo apparatus | Expired / Lapsed | 1980-08-25 | 1982-12-28 | 14 | Details |
| US4329058A | Method and apparatus for a Fabry-Perot multiple beam fringe… | Expired / Lapsed | 1979-01-22 | 1982-05-11 | 21 | Details |
| US4323901A | Monolithic, voltage controlled, phased array | Expired / Lapsed | 1980-02-19 | 1982-04-06 | 23 | Details |
| US4295901A | Method of imparting a fine grain structure to aluminum allo… | Expired / Lapsed | 1979-11-05 | 1981-10-20 | 6 | Details |
| US4295214A | Ultrasonic shear wave transducer | Expired / Lapsed | 1979-08-23 | 1981-10-13 | 19 | Details |
| US4291410A | Multipath diversity spread spectrum receiver | Expired / Lapsed | 1979-10-24 | 1981-09-22 | 18 | Details |
| US4285248A | Two-degree-of-freedom gyroscope | Expired / Lapsed | 1979-10-17 | 1981-08-25 | 15 | Details |
| US4273445A | Interferometer gyroscope formed on a single plane optical w… | Expired / Lapsed | 1979-07-30 | 1981-06-16 | 36 | Details |
| US4269068A | Ultrasonic couplant compositions and method for employing s… | Expired / Lapsed | 1975-08-13 | 1981-05-26 | 29 | Details |
| US4258421A | Vehicle monitoring and recording system | Expired / Lapsed | 1979-03-14 | 1981-03-24 | 18 | Details |
| US4253147A | Memory unit with pipelined cycle of operations | Expired / Lapsed | 1979-04-09 | 1981-02-24 | 11 | Details |
| US4244016A | Sine-wave static converter | Expired / Lapsed | 1978-11-20 | 1981-01-06 | 6 | Details |
| US4222668A | Ferrimagnetic Faraday elements for ring lasers | Expired / Lapsed | 1978-02-23 | 1980-09-16 | 22 | Details |
| US4208128A | Interferometer gyro using heterodyne phase detection withou… | Expired / Lapsed | 1978-08-23 | 1980-06-17 | 16 | Details |
| US4205556A | Circuitry for strain sensitive apparatus | Expired / Lapsed | 1979-02-12 | 1980-06-03 | 7 | Details |
| US4199723A | Automatic modulation control apparatus | Expired / Lapsed | 1978-02-24 | 1980-04-22 | 4 | Details |
| US4188122A | Interferometer | Expired / Lapsed | 1978-03-27 | 1980-02-12 | 19 | Details |
| US4179693A | Autonomous, check-pointing, navigational system for an airb… | Expired / Lapsed | 1977-05-23 | 1979-12-18 | 11 | Details |
| US4169233A | High performance CMOS sense amplifier | Expired / Lapsed | 1978-02-24 | 1979-09-25 | 34 | Details |
| US4166310A | Method of altering an axial impeller/stator vane combination | Expired / Lapsed | 1978-05-02 | 1979-09-04 | 7 | Details |
| US4159484A | Multi-color, single gun, single grid/cathode beam index CRT… | Expired / Lapsed | 1978-05-01 | 1979-06-26 | 18 | Details |
| US4136400A | Micro-programmable data terminal | Expired / Lapsed | 1977-08-08 | 1979-01-23 | 16 | Details |
| US4132228A | Comfort support seat cushion assembly | Expired / Lapsed | 1977-07-08 | 1979-01-02 | 14 | Details |
| US4128837A | Prediction computation for weapon control | Expired / Lapsed | 1968-07-22 | 1978-12-05 | 25 | Details |
| US4127035A | Electromagnetic transducer | Expired / Lapsed | 1977-09-02 | 1978-11-28 | 18 | Details |
| US4123409A | Sealing material for use in contact with animal tissue | Expired / Lapsed | 1977-03-04 | 1978-10-31 | 4 | Details |
| US4113387A | Dual mode laser optics control for ring laser gyro | Expired / Lapsed | 1977-02-14 | 1978-09-12 | 18 | Details |
| US4112296A | Data latch | Expired / Lapsed | 1977-06-07 | 1978-09-05 | 12 | Details |
| US4100891A | Electronic fuel injection control system | Expired / Lapsed | 1974-08-07 | 1978-07-18 | 30 | Details |
| US4097155A | Target locating system | Expired / Lapsed | 1967-07-24 | 1978-06-27 | 10 | Details |
| US4092181A | Method of imparting a fine grain structure to aluminum allo… | Expired / Lapsed | 1977-04-25 | 1978-05-30 | 19 | Details |
| US4086852A | Lithographic dampener roll having rubber surfaces with incr… | Expired / Lapsed | 1976-09-13 | 1978-05-02 | 13 | Details |
| US4086656A | Analog-to-digital integrating apparatus with pulse density … | Expired / Lapsed | 1976-10-21 | 1978-04-25 | 4 | Details |
| US4075440A | Automatic communication system reconfiguration apparatus | Expired / Lapsed | 1976-07-26 | 1978-02-21 | 7 | Details |
| US4067061A | Monitoring and recording system for vehicles | Expired / Lapsed | 1975-03-18 | 1978-01-03 | 9 | Details |
| US4066964A | Communication system | Expired / Lapsed | 1967-01-06 | 1978-01-03 | 89 | Details |
| USD246068S | Electronic calculator | Expired / Lapsed | 1976-04-02 | 1977-10-11 | 1 | Details |
| US4048847A | Nondestructive detection of stress | Expired / Lapsed | 1976-07-14 | 1977-09-20 | 41 | Details |
| US4048859A | Laser accelerometer | Expired / Lapsed | 1975-10-14 | 1977-09-20 | 14 | Details |
| US4042868A | Stepper motor control apparatus | Expired / Lapsed | 1975-09-22 | 1977-08-16 | 9 | Details |
| US4042822A | Laser radar device utilizing heterodyne detection | Expired / Lapsed | 1975-07-24 | 1977-08-16 | 12 | Details |
| US4038536A | Adaptive recursive least mean square error filter | Expired / Lapsed | 1976-03-29 | 1977-07-26 | 23 | Details |
| US4032216A | Thin film magneto-optic mode converters | Expired / Lapsed | 1976-03-15 | 1977-06-28 | 11 | Details |
| US4023027A | Circle/graphics CRT deflection generation using digital tec… | Expired / Lapsed | 1975-11-10 | 1977-05-10 | 7 | Details |
| US4017848A | Transparent keyboard switch and array | Expired / Lapsed | 1975-05-19 | 1977-04-12 | 9 | Details |
| US4004852A | Integrated automatic ranging device for optical instruments | Expired / Lapsed | 1975-06-30 | 1977-01-25 | 14 | Details |
| US4001798A | Self-contained sensor | Expired / Lapsed | 1975-09-18 | 1977-01-04 | 2 | Details |
| US3995205A | Vehicle maneuvering control system | Expired / Lapsed | 1975-04-24 | 1976-11-30 | 8 | Details |
| US3989931A | Pulse count generator for wide range digital phase detector | Expired / Lapsed | 1975-05-19 | 1976-11-02 | 17 | Details |
| US3988705A | Balanced four-way power divider employing 3db, 90° couplers | Expired / Lapsed | 1975-11-20 | 1976-10-26 | 5 | Details |
| US3982425A | Ultrasonic inspection system | Expired / Lapsed | 1974-01-14 | 1976-09-28 | 17 | Details |
| US3967862A | Anti-skid control system employing integral-plus-proportion… | Expired / Lapsed | 1975-03-17 | 1976-07-06 | 19 | Details |
| US3952299A | Data line correlator | Expired / Lapsed | 1969-07-28 | 1976-04-20 | 19 | Details |
| US3920975A | Data communications network remote test and control system | Expired / Lapsed | 1974-11-14 | 1975-11-18 | 17 | Details |
| US3906503A | Intensity comparing system for determining fraction of trav… | Expired / Lapsed | 1956-08-27 | 1975-09-16 | 28 | Details |
| US3891798A | Tracker unit | Expired / Lapsed | 1971-03-19 | 1975-06-24 | 7 | Details |
| US3883806A | Demodulator circuit for phase modulated communication signa… | Expired / Lapsed | 1974-03-07 | 1975-05-13 | 6 | Details |
| US3877813A | Self-compensating interferometer | Expired / Lapsed | 1973-09-17 | 1975-04-15 | 13 | Details |
| US3866133A | Digital frequency-phase discriminator circuit | Expired / Lapsed | 1974-03-07 | 1975-02-11 | 3 | Details |
| US3855548A | Ultra high frequency single mode oscillation controlled by … | Expired / Lapsed | 1973-10-18 | 1974-12-17 | 8 | Details |
| US3848236A | Threshold circuit | Expired / Lapsed | 1973-05-11 | 1974-11-12 | 3 | Details |
| US3840802A | Mutual inductance coupling probe for testing the integrity … | Expired / Lapsed | 1973-08-13 | 1974-10-08 | 5 | Details |
| US3838397A | Fuel injection pulse width computer | Expired / Lapsed | 1973-04-25 | 1974-09-24 | 21 | Details |
| US3807866A | Ring laser gyroscope having a constant output beat-frequency | Expired / Lapsed | 1972-04-21 | 1974-04-30 | 11 | Details |
| US3794748A | Apparatus and method for frequency modulation for sampled a… | Expired / Lapsed | 1971-12-06 | 1974-02-26 | 17 | Details |
| US3790227A | Brake control system | Expired / Lapsed | 1972-06-30 | 1974-02-05 | 9 | Details |
| US3790898A | Selectively tunable gaseous laser | Expired / Lapsed | 1971-07-12 | 1974-02-05 | 15 | Details |
| US3781532A | Warp letoff control system | Expired / Lapsed | 1972-05-22 | 1973-12-25 | 22 | Details |
| US3777270A | Precision variable pulse rate nulling radiometer | Expired / Lapsed | 1972-05-12 | 1973-12-04 | 4 | Details |
| US3763364A | Apparatus for storing and reading out periodic waveforms | Expired / Lapsed | 1971-11-26 | 1973-10-02 | 14 | Details |
| US3753814A | Confinement of bubble domains in film-substrate structures | Expired / Lapsed | 1970-12-28 | 1973-08-21 | 7 | Details |
| US3743798A | Elongated spring coil conductors applying tension force to … | Expired / Lapsed | 1971-09-13 | 1973-07-03 | 6 | Details |
| US3744031A | Method and apparatus for recording and verifying magnetic t… | Expired / Lapsed | 1971-05-19 | 1973-07-03 | 18 | Details |
| US3743969A | Modulation servo control for frequency modulated ring laser… | Expired / Lapsed | 1969-11-12 | 1973-07-03 | 9 | Details |
| US3735136A | Dual color radiometer method selectively discriminating aga… | Expired / Lapsed | 1972-06-22 | 1973-05-22 | 18 | Details |
| US3735277A | Multiple phase clock generator circuit | Expired / Lapsed | 1971-05-27 | 1973-05-22 | 13 | Details |
| US3732444A | Tubular transducer and dry couplant therefor | Expired / Lapsed | 1971-04-30 | 1973-05-08 | 4 | Details |
| US3720950A | Time-domain correlator for spatial filtering in a pulsed en… | Expired / Lapsed | 1967-11-28 | 1973-03-13 | 36 | Details |
| US3719913A | Viscous strain gage | Expired / Lapsed | 1969-05-02 | 1973-03-06 | 5 | Details |
| US3714817A | Acoustical transducer with rotary pulse coupler | Expired / Lapsed | 1970-09-28 | 1973-02-06 | 0 | Details |
| US3714466A | Clamp circuit for bootstrap field effect transistor | Expired / Lapsed | 1971-12-22 | 1973-01-30 | 8 | Details |
| US3714373A | Apparatus and information processing methods for a tracking… | Expired / Lapsed | 1964-10-12 | 1973-01-30 | 0 | Details |
| US3711917A | Coated spring | Expired / Lapsed | 1969-08-18 | 1973-01-23 | 3 | Details |
| US3699539A | Bootstrapped inverter memory cell | Expired / Lapsed | 1970-12-16 | 1972-10-17 | 15 | Details |
| US3680086A | Ground mapping radar system | Expired / Lapsed | 1969-11-26 | 1972-07-25 | 20 | Details |
| US3678737A | Tubular transducer and dry couplant therefor | Expired / Lapsed | 1969-06-12 | 1972-07-25 | 8 | Details |
| US3668708A | Artificial heart | Expired / Lapsed | 1969-12-23 | 1972-06-13 | 10 | Details |
| US3667050A | Coarse carrier phase correction system | Expired / Lapsed | 1970-11-27 | 1972-05-30 | 11 | Details |
| US3666533A | Deposition of polymeric coatings utilizing electrical excit… | Expired / Lapsed | 1970-11-16 | 1972-05-30 | 0 | Details |
| US3664866A | Composite, method for growth of ii{11 {14 vi{11 {0 compound… | Expired / Lapsed | 1970-04-08 | 1972-05-23 | 13 | Details |
| US3665419A | Apparatus for determining shape | Expired / Lapsed | 1969-02-18 | 1972-05-23 | 20 | Details |
| US3663265A | Deposition of polymeric coatings utilizing electrical excit… | Expired / Lapsed | 1970-11-16 | 1972-05-16 | 1 | Details |
| US3663842A | Elastomeric graded acoustic impedance coupling device | Expired / Lapsed | 1970-09-14 | 1972-05-16 | 10 | Details |
| US3651316A | Automatic transversal equalizer system | Expired / Lapsed | 1970-10-09 | 1972-03-21 | 18 | Details |
| US3649105A | Optical shutter | Expired / Lapsed | 1968-02-21 | 1972-03-14 | 21 | Details |
| US3643523A | Knob assembly for vernier control device | Expired / Lapsed | 1970-03-30 | 1972-02-22 | 7 | Details |
| US3639739A | Digital low pass filter | Expired / Lapsed | 1969-02-05 | 1972-02-01 | 13 | Details |
| US3631489A | Mti system having improved discrimination of targets displa… | Expired / Lapsed | 1969-10-02 | 1971-12-28 | 14 | Details |
| US3623132A | Charge sensing circuit | Expired / Lapsed | 1970-12-14 | 1971-11-23 | 10 | Details |
| US3617767A | Field effect transistor logic gate with isolation device fo… | Expired / Lapsed | 1970-02-11 | 1971-11-02 | 13 | Details |
| US3617873A | System for generating switching window for plated wire | Expired / Lapsed | 1969-12-22 | 1971-11-02 | 4 | Details |
| US3616533A | Method of protecting articles in high temperature environme… | Expired / Lapsed | 1969-10-28 | 1971-11-02 | 0 | Details |
| US3614623A | Adaptive system for correction of distortion of signals in … | Expired / Lapsed | 1969-04-21 | 1971-10-19 | 17 | Details |
| US3611370A | Dual-mode radar system | Expired / Lapsed | 1968-11-05 | 1971-10-05 | 23 | Details |
| US3601627A | Multiple phase logic gates for shift register stages | Expired / Lapsed | 1970-07-13 | 1971-08-24 | 13 | Details |
| US3601806A | Digital time multiplexed bidirectional communications system | Expired / Lapsed | 1969-06-23 | 1971-08-24 | 23 | Details |
| US3591836A | Field effect conditionally switched capacitor | Expired / Lapsed | 1969-03-04 | 1971-07-06 | 4 | Details |
| US3584183A | Laser encoding of diode arrays | Expired / Lapsed | 1968-10-03 | 1971-06-08 | 5 | Details |
| US3576571A | Memory circuit using storage capacitance and field effect d… | Expired / Lapsed | 1969-01-07 | 1971-04-27 | 12 | Details |
| US3573624A | Impulse response correction system | Expired / Lapsed | 1968-06-24 | 1971-04-06 | 19 | Details |
| US3573817A | Monitoring system | Expired / Lapsed | 1968-02-28 | 1971-04-06 | 12 | Details |
| US3568491A | Low-temperature stress-relieving process | Expired / Lapsed | 1969-05-23 | 1971-03-09 | 0 | Details |
| US3569973A | Constrained lens type antenna | Expired / Lapsed | 1969-05-02 | 1971-03-09 | 16 | Details |
| US3569684A | Sine-cosine generator comprised of a diode array | Expired / Lapsed | 1967-03-23 | 1971-03-09 | 11 | Details |
| US3563630A | Rectangular dielectric optical wave-guide of width about on… | Expired / Lapsed | 1966-12-07 | 1971-02-16 | 0 | Details |
| US3553358A | Line intensity integrating automatic data acquistion system | Expired / Lapsed | 1967-10-13 | 1971-01-05 | 4 | Details |
| US3539696A | Real-time dynamic perspective display | Expired / Lapsed | 1968-04-01 | 1970-11-10 | 0 | Details |
| US3537020A | Optical parametric device | Expired / Lapsed | 1968-06-17 | 1970-10-27 | 0 | Details |
| US3527532A | Digital optical frequency shifter | Expired / Lapsed | 1967-07-03 | 1970-09-08 | 0 | Details |
| US3526086A | Multiconduit underwater line | Expired / Lapsed | 1968-04-12 | 1970-09-01 | 0 | Details |
| US3524169A | Impulse response correction system | Expired / Lapsed | 1967-06-05 | 1970-08-11 | 0 | Details |
| US3522992A | Geodetic survey system and digital phase-meter therefor | Expired / Lapsed | 1967-06-28 | 1970-08-04 | 0 | Details |
| US3517560A | Accelerometer | Expired / Lapsed | 1965-03-23 | 1970-06-30 | 0 | Details |
| US3516081A | Fluid bearing pads for supporting transducers | Expired / Lapsed | 1969-07-31 | 1970-06-02 | 0 | Details |
| US3515853A | Heating apparatus | Expired / Lapsed | 1967-09-15 | 1970-06-02 | 0 | Details |
| US3515792A | Digital organ | Expired / Lapsed | 1967-08-16 | 1970-06-02 | 0 | Details |
| US3510198A | Polarizing beam-splitter having improved contrast ratio | Expired / Lapsed | 1967-05-17 | 1970-05-05 | 0 | Details |
| US3509317A | Indirect radiant heat soldering apparatus | Expired / Lapsed | 1967-08-01 | 1970-04-28 | 0 | Details |
| US3508826A | Point expansion system | Expired / Lapsed | 1966-10-03 | 1970-04-28 | 0 | Details |
| US3509017A | Multi-layered pyrolized para-polyphenylene structures and m… | Expired / Lapsed | 1966-07-22 | 1970-04-28 | 0 | Details |
| US3504182A | Optical communication system | Expired / Lapsed | 1966-10-14 | 1970-03-31 | 0 | Details |
| US3498929A | Reinforced carbonaceous bodies | Expired / Lapsed | 1967-07-06 | 1970-03-03 | 0 | Details |
| US3487308A | Variable display having a reference and a code for indicati… | Expired / Lapsed | 1966-12-12 | 1969-12-30 | 0 | Details |
| US3484940A | Cutting device | Expired / Lapsed | 1967-11-13 | 1969-12-23 | 0 | Details |
| US3484699A | Dividing circuit with binary logic switch in feedback circu… | Expired / Lapsed | 1967-01-06 | 1969-12-16 | 0 | Details |
| US3484679A | Electrical apparatus for changing the effective capacitance… | Expired / Lapsed | 1966-10-03 | 1969-12-16 | 0 | Details |
| US3480401A | Blood oxygenation apparatus | Expired / Lapsed | 1967-08-22 | 1969-11-25 | 0 | Details |
| US3480796A | Mos transistor driver using a control signal | Expired / Lapsed | 1966-12-14 | 1969-11-25 | 0 | Details |
| US3473030A | Light control method and apparatus | Expired / Lapsed | 1964-09-15 | 1969-10-14 | 0 | Details |
| US3470374A | Infrared detection system using digital controls | Expired / Lapsed | 1967-03-06 | 1969-09-30 | 0 | Details |
| US3469252A | Integrated bar graph display having interrupt control | Expired / Lapsed | 1967-02-06 | 1969-09-23 | 0 | Details |
| US3469030A | Optical scanner utilizing a spherical mirror | Expired / Lapsed | 1965-11-19 | 1969-09-23 | 0 | Details |
| US3465258A | Phase lock demodulator | Expired / Lapsed | 1966-12-21 | 1969-09-02 | 0 | Details |
| US3465133A | Carry or borrow system for arithmetic computations | Expired / Lapsed | 1966-06-07 | 1969-09-02 | 0 | Details |
| US3442721A | Semiconducting device | Expired / Lapsed | 1966-07-18 | 1969-05-06 | 0 | Details |
| US3438432A | Plastic heat exchanger with anti-buoyancy means | Expired / Lapsed | 1967-06-26 | 1969-04-15 | 0 | Details |
| US3439356A | Pressure-temperature sensor | Expired / Lapsed | 1965-06-14 | 1969-04-15 | 0 | Details |
| US3433684A | Multilayer semiconductor heteroepitaxial structure | Expired / Lapsed | 1966-09-29 | 1969-03-18 | 0 | Details |
| US3428791A | Non-injection self-adaptive controller | Expired / Lapsed | 1963-04-24 | 1969-02-18 | 2 | Details |
| US3427596A | System for processing data into an organized sequence of co… | Expired / Lapsed | 1967-03-07 | 1969-02-11 | 0 | Details |
| US3426207A | Focused optical heterodyne system | Expired / Lapsed | 1964-06-17 | 1969-02-04 | 2 | Details |
| US3424000A | Semiconductor flowmeter | Expired / Lapsed | 1966-07-29 | 1969-01-28 | 0 | Details |
| US3422985A | Waste collection assembly | Expired / Lapsed | 1965-04-13 | 1969-01-21 | 0 | Details |
| US3414136A | Underwater manipulator system | Expired / Lapsed | 1966-01-18 | 1968-12-03 | 0 | Details |
| US3414434A | Single crystal silicon on spinel insulators | Expired / Lapsed | 1965-06-30 | 1968-12-03 | 0 | Details |
| US3413452A | Variable presetting of preset counters | Expired / Lapsed | 1966-01-14 | 1968-11-26 | 2 | Details |
| US3408581A | Digital suppressed carrier demodulator | Expired / Lapsed | 1965-08-26 | 1968-10-29 | 0 | Details |
| US3408647A | Amti radar system | Expired / Lapsed | 1964-08-18 | 1968-10-29 | 1 | Details |
| US3406281A | Profit analysis computer | Expired / Lapsed | 1964-10-05 | 1968-10-15 | 0 | Details |
| US3404398A | Terrain following system employing intermittent radiation | Expired / Lapsed | 1967-06-12 | 1968-10-01 | 0 | Details |
| US3399549A | Backlash-free spline joint | Expired / Lapsed | 1967-01-03 | 1968-09-03 | 0 | Details |
| US3393088A | Epitaxial deposition of silicon on alpha-aluminum | Expired / Lapsed | 1964-10-02 | 1968-07-16 | 0 | Details |
| US3390022A | Semiconductor device and process for producing same | Expired / Lapsed | 1965-06-30 | 1968-06-25 | 2 | Details |
| US3384338A | Variable orifice device | Expired / Lapsed | 1965-04-06 | 1968-05-21 | 0 | Details |
| US3379568A | Process for forming holes and multilayer interconnections t… | Expired / Lapsed | 1964-12-21 | 1968-04-23 | 0 | Details |
| US3377513A | Integrated circuit diode matrix | Expired / Lapsed | 1966-05-02 | 1968-04-09 | 0 | Details |
| US3377533A | Control system for positioning a shaft in response to an in… | Expired / Lapsed | 1964-09-10 | 1968-04-09 | 0 | Details |
| US3375712A | Thrust measurement | Expired / Lapsed | 1965-03-19 | 1968-04-02 | 0 | Details |
| US3366739A | Bandwidth reduction system for reconstituting non-transmitt… | Expired / Lapsed | 1964-09-30 | 1968-01-30 | 0 | Details |
| US3362818A | Fabrication of poly porosity microstructures | Expired / Lapsed | 1967-01-05 | 1968-01-09 | 0 | Details |