Servo Corp of America
Servo CorpActive Patents
0
Total Holdings
36
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3350708A | Digital code converter | Expired / Lapsed | 1964-08-21 | 1967-10-31 | 2 | Details |
| US3235723A | Hot-box detector alarm circuit | Expired / Lapsed | 1962-07-26 | 1966-02-15 | 1 | Details |
| US3199101A | Radiosonde and tracking system | Expired / Lapsed | 1960-09-16 | 1965-08-03 | 2 | Details |
| US3173140A | Doppler omnirange navigational system | Expired / Lapsed | 1959-02-20 | 1965-03-09 | 2 | Details |
| US3121871A | Direction finding system | Expired / Lapsed | 1962-02-27 | 1964-02-18 | 1 | Details |
| US3111556A | Image pickup devices and scanning circuits therefor | Expired / Lapsed | 1961-09-25 | 1963-11-19 | 2 | Details |
| US3081632A | Direct-reading pyrometer microscope | Expired / Lapsed | 1957-02-12 | 1963-03-19 | 2 | Details |
| US3078341A | Means for infrared imaging in color | Expired / Lapsed | 1954-11-09 | 1963-02-19 | 2 | Details |
| US3061671A | Retrace signal eliminator | Expired / Lapsed | 1959-11-16 | 1962-10-30 | 0 | Details |
| US3012467A | Spectrum analyzer | Expired / Lapsed | 1957-06-25 | 1961-12-12 | 0 | Details |
| US3011386A | Spectrometer | Expired / Lapsed | 1955-08-01 | 1961-12-05 | 0 | Details |
| US2999152A | Hot-box detector | Expired / Lapsed | 1958-10-28 | 1961-09-05 | 0 | Details |
| US2997539A | Scanning mechanism | Expired / Lapsed | 1953-04-16 | 1961-08-22 | 0 | Details |
| US2978589A | Optical pyrometer | Expired / Lapsed | 1956-01-16 | 1961-04-04 | 0 | Details |
| US2967449A | Optical ground-speed meter | Expired / Lapsed | 1955-01-06 | 1961-01-10 | 0 | Details |
| US2967211A | Optical scanning mechanism | Expired / Lapsed | 1952-11-13 | 1961-01-03 | 0 | Details |
| US2949055A | Stereoscopic scanner | Expired / Lapsed | 1954-07-09 | 1960-08-16 | 0 | Details |
| US2945414A | Optical scanning device | Expired / Lapsed | 1956-03-16 | 1960-07-19 | 0 | Details |
| US2927464A | Pyrometer | Expired / Lapsed | 1956-01-16 | 1960-03-08 | 0 | Details |
| US2920485A | Pyrometer | Expired / Lapsed | 1955-01-11 | 1960-01-12 | 0 | Details |
| US2918581A | Aircraft velocity-altitude meter | Expired / Lapsed | 1956-12-13 | 1959-12-22 | 0 | Details |
| US2911876A | Video display device | Expired / Lapsed | 1955-07-19 | 1959-11-10 | 0 | Details |
| US2891157A | Frequency control means | Expired / Lapsed | 1952-11-24 | 1959-06-16 | 0 | Details |
| US2883293A | Glass composition | Expired / Lapsed | 1957-06-11 | 1959-04-21 | 2 | Details |
| US2883292A | Glass compositions | Expired / Lapsed | 1957-05-23 | 1959-04-21 | 2 | Details |
| US2882783A | Radiant energy ground-clearance meter | Expired / Lapsed | 1955-02-10 | 1959-04-21 | 0 | Details |
| US2878713A | Optical scanner for determining velocity-altitude | Expired / Lapsed | 1955-01-07 | 1959-03-24 | 0 | Details |
| US2878711A | Optical scanner for determining velocity altitude | Expired / Lapsed | 1954-07-22 | 1959-03-24 | 0 | Details |
| US2859653A | Wide-angle prism scanner | Expired / Lapsed | 1955-02-21 | 1958-11-11 | 0 | Details |
| US2860179A | Video-display devices | Expired / Lapsed | 1953-11-25 | 1958-11-11 | 0 | Details |
| US2859652A | Wide-angle, energy responsive scanning system | Expired / Lapsed | 1953-06-25 | 1958-11-11 | 0 | Details |
| US2848671A | Motor-synchronizing circuit | Expired / Lapsed | 1955-01-17 | 1958-08-19 | 0 | Details |
| US2761072A | Total-radiation pyrometer | Expired / Lapsed | 1951-06-30 | 1956-08-28 | 2 | Details |
| US2749442A | Controlled oscillator | Expired / Lapsed | 1952-04-23 | 1956-06-05 | 0 | Details |
| US2749515A | Direct-reading frequency meter | Expired / Lapsed | 1950-12-09 | 1956-06-05 | 0 | Details |
| US2739865A | Electronic recorder | Expired / Lapsed | 1950-04-27 | 1956-03-27 | 0 | Details |