Sharp Corp
Sharp CorpActive Patents
0
Total Holdings
190
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| EP1026887A2 | Audiovisual information management system | Expired / Lapsed | 2000-01-27 | — | 28 | Details |
| EP0909096A1 | Picture encoder and picture decoder | Expired / Lapsed | 1997-05-07 | — | 10 | Details |
| EP0747938A2 | Ferroelectric thin film coated substrate, producing method … | Expired / Lapsed | 1996-05-07 | — | 14 | Details |
| EP0747937A2 | Ferroelectric thin film coated substrate, producing method … | Expired / Lapsed | 1996-05-02 | — | 17 | Details |
| EP0539868A2 | Color copying machine provided with color correcting circuit | Expired / Lapsed | 1992-10-22 | — | 5 | Details |
| EP0379198A2 | Mobile object navigation system | Expired / Lapsed | 1990-01-18 | — | 9 | Details |
| EP0336423A2 | Magneto-optical disk device | Expired / Lapsed | 1989-04-06 | — | 7 | Details |
| JPS6465870A | Semiconductor element of silicon carbide | Expired / Lapsed | 1987-09-07 | — | 0 | Details |
| JPS6221394A | Video signal processor | Expired / Lapsed | 1985-07-19 | — | 0 | Details |
| DE3042508A1 | ELECTRONIC VOICE TRANSLATION DEVICE | Expired / Lapsed | 1980-11-11 | — | 0 | Details |
| JPS5724132A | Power line data transmission system | Expired / Lapsed | 1980-07-21 | — | 0 | Details |
| JPS5713409A | Optical branching device | Expired / Lapsed | 1980-06-26 | — | 0 | Details |
| DE2935282A1 | WIRELESS TEMPERATURE MONITORING DEVICE | Expired / Lapsed | 1979-08-31 | — | 0 | Details |
| DE2935271A1 | TEMPERATURE PROBE | Expired / Lapsed | 1979-08-31 | — | 0 | Details |
| DE2837025A1 | MAGNETIC TAPE DEVICE WITH TAPE COUNTER AND MEMORY FOR PRESE… | Expired / Lapsed | 1978-08-24 | — | 0 | Details |
| DE2650732A1 | PROCEDURE FOR CONTROLLING AND / OR DELETING AN ELECTROCHROM… | Expired / Lapsed | 1976-11-05 | — | 0 | Details |
| DE2547552A1 | LAYER EVAPORATION EQUIPMENT AND PROCESS | Expired / Lapsed | 1975-10-23 | — | 0 | Details |
| JPS5239339A | Electronic desk type computer | Expired / Lapsed | 1975-09-23 | — | 0 | Details |
| DE2518014A1 | AUTOMATIC PROGRAM SELECTION FOR TAPE RECORDS | Expired / Lapsed | 1975-04-23 | — | 0 | Details |
| DE2513852A1 | ARRANGEMENT FOR AUTOMATIC POSITIONING OF THE STARTING POINT… | Expired / Lapsed | 1975-03-27 | — | 0 | Details |
| GB1476404A | Electronic apparatus comprising a flexible substrate and me… | Expired / Lapsed | 1974-06-05 | — | 0 | Details |
| GB1460157A | Fm signal transmission and reception | Expired / Lapsed | 1974-01-03 | — | 0 | Details |
| US6750878B1 | Information display device for displaying guidance informat… | Expired / Lapsed | 2000-06-26 | 2004-06-15 | 34 | Details |
| US6532474B2 | Apparatus and method for carrying out data linkage among a … | Expired / Lapsed | 1998-11-13 | 2003-03-11 | 14 | Details |
| US6317739B1 | Method and apparatus for data retrieval and modification ut… | Expired / Lapsed | 1998-11-19 | 2001-11-13 | 38 | Details |
| US6289361B1 | Document display apparatus for displaying a plurality of mu… | Expired / Lapsed | 1998-02-04 | 2001-09-11 | 33 | Details |
| US6253218B1 | Three dimensional data display method utilizing view point … | Expired / Lapsed | 1997-12-23 | 2001-06-26 | 11 | Details |
| US6189027B1 | E-mail sending/receiving system, e-mail sending /receiving … | Expired / Lapsed | 1998-06-25 | 2001-02-13 | 57 | Details |
| US6101522A | Product-sum calculation circuit constructed of small-size R… | Expired / Lapsed | 1998-05-29 | 2000-08-08 | 4 | Details |
| USD398904S | Electronic computer | Expired / Lapsed | 1997-07-08 | 1998-09-29 | 1 | Details |
| US5736002A | Methods and equipment for anisotropic, patterned conversion… | Expired / Lapsed | 1994-08-22 | 1998-04-07 | 4 | Details |
| USD364153S | Display face of a liquid crystal display module | Expired / Lapsed | 1994-12-02 | 1995-11-14 | 1 | Details |
| USD360621S | Personal communications receiving device with hinged displa… | Expired / Lapsed | 1994-04-20 | 1995-07-25 | 1 | Details |
| USD355170S | Computer | Expired / Lapsed | 1993-11-02 | 1995-02-07 | 1 | Details |
| US5383176A | Optical disk | Expired / Lapsed | 1993-05-07 | 1995-01-17 | 28 | Details |
| USD349511S | Multi-function electronic calculator | Expired / Lapsed | 1992-11-06 | 1994-08-09 | 1 | Details |
| US5327074A | Integrated circuit device | Expired / Lapsed | 1991-12-10 | 1994-07-05 | 12 | Details |
| US5293563A | Multi-level memory cell with increased read-out margin | Expired / Lapsed | 1991-12-12 | 1994-03-08 | 12 | Details |
| USD342501S | Television set | Expired / Lapsed | 1992-08-28 | 1993-12-21 | 1 | Details |
| USD342258S | Remote controller for bs tuner | Expired / Lapsed | 1992-02-06 | 1993-12-14 | 1 | Details |
| US5268861A | Semiconductor read only memory | Expired / Lapsed | 1992-03-03 | 1993-12-07 | 5 | Details |
| USD341573S | Memorandum input and output terminal | Expired / Lapsed | 1992-01-17 | 1993-11-23 | 1 | Details |
| USD340917S | Memorandum input and output device | Expired / Lapsed | 1991-11-01 | 1993-11-02 | 1 | Details |
| US5189607A | Method for sending selected data from electronic cash regis… | Expired / Lapsed | 1991-07-22 | 1993-02-23 | 7 | Details |
| USD332604S | Computer input and output terminal | Expired / Lapsed | 1991-04-01 | 1993-01-19 | 1 | Details |
| US5134588A | Semiconductor memory device | Expired / Lapsed | 1990-07-27 | 1992-07-28 | 4 | Details |
| USD325571S | Data input and output terminal | Expired / Lapsed | 1990-06-22 | 1992-04-21 | 1 | Details |
| USD324858S | Housing for data communicator for automatic conveyance syst… | Expired / Lapsed | 1990-03-08 | 1992-03-24 | 1 | Details |
| USD324513S | Data input and output terminal | Expired / Lapsed | 1990-09-11 | 1992-03-10 | 1 | Details |
| USD319251S | Cash register | Expired / Lapsed | 1989-06-27 | 1991-08-20 | 1 | Details |
| USD319218S | Cover for a computer | Expired / Lapsed | 1988-03-22 | 1991-08-20 | 1 | Details |
| US5027334A | Magneto-optical disk device with movable coil | Expired / Lapsed | 1989-04-06 | 1991-06-25 | 7 | Details |
| USD317619S | Electronic calculator with solar cell | Expired / Lapsed | 1989-10-27 | 1991-06-18 | 1 | Details |
| US4990994A | Electrode structure for silicon carbide semiconductors | Expired / Lapsed | 1989-09-05 | 1991-02-05 | 6 | Details |
| USD314378S | Television set | Expired / Lapsed | 1987-03-17 | 1991-02-05 | 1 | Details |
| USD312628S | Portable order terminal with card reader | Expired / Lapsed | 1989-04-05 | 1990-12-04 | 1 | Details |
| USD310217S | Combined video tape recorder and television | Expired / Lapsed | 1988-12-15 | 1990-08-28 | 1 | Details |
| USD309601S | Electronic memorandum input/output terminal | Expired / Lapsed | 1988-08-24 | 1990-07-31 | 1 | Details |
| USD308861S | Word processor | Expired / Lapsed | 1988-08-30 | 1990-06-26 | 1 | Details |
| USD308692S | Electronic calculator | Expired / Lapsed | 1987-10-27 | 1990-06-19 | 1 | Details |
| USD308693S | Electronic calculator with solar cell | Expired / Lapsed | 1987-04-30 | 1990-06-19 | 1 | Details |
| USD308667S | Reader for electronic filing system | Expired / Lapsed | 1987-04-13 | 1990-06-19 | 1 | Details |
| USD308372S | Television set | Expired / Lapsed | 1988-04-28 | 1990-06-05 | 1 | Details |
| USD308375S | Television set | Expired / Lapsed | 1988-04-28 | 1990-06-05 | 1 | Details |
| USD307134S | Data entry writing pad for electronic filing system | Expired / Lapsed | 1987-04-13 | 1990-04-10 | 1 | Details |
| USD306298S | Autodialer with electronic telephone directory | Expired / Lapsed | 1988-07-26 | 1990-02-27 | 1 | Details |
| USD306176S | Combined calculator and cradle therefor | Expired / Lapsed | 1986-08-22 | 1990-02-20 | 1 | Details |
| USD305668S | Electronic calculator with printer | Expired / Lapsed | 1987-08-13 | 1990-01-23 | 1 | Details |
| US4893236A | Electronic cash register | Expired / Lapsed | 1987-07-31 | 1990-01-09 | 10 | Details |
| US4887209A | Electronic cash register system | Expired / Lapsed | 1987-11-09 | 1989-12-12 | 7 | Details |
| USD304175S | Input/output terminal | Expired / Lapsed | 1986-11-26 | 1989-10-24 | 1 | Details |
| USD303968S | Clock radio | Expired / Lapsed | 1987-11-17 | 1989-10-10 | 1 | Details |
| US4870570A | Control system for multi-processor | Expired / Lapsed | 1983-03-29 | 1989-09-26 | 4 | Details |
| US4849953A | Tracking circuit for an optical information recording and r… | Expired / Lapsed | 1986-10-29 | 1989-07-18 | 14 | Details |
| USD301894S | Cash register | Expired / Lapsed | 1986-02-21 | 1989-06-27 | 1 | Details |
| USD301589S | Cash register | Expired / Lapsed | 1987-01-28 | 1989-06-13 | 1 | Details |
| US4804828A | Card-type processing device | Expired / Lapsed | 1987-04-14 | 1989-02-14 | 11 | Details |
| US4787076A | Optical disc tracking system with switching of tracking err… | Expired / Lapsed | 1986-09-25 | 1988-11-22 | 3 | Details |
| USD298623S | Pocket computer | Expired / Lapsed | 1986-03-14 | 1988-11-22 | 1 | Details |
| USD298320S | Telephone set | Expired / Lapsed | 1987-06-08 | 1988-11-01 | 1 | Details |
| US4776333A | Ventilator with variable flow pattern | Expired / Lapsed | 1987-11-09 | 1988-10-11 | 14 | Details |
| USD297950S | Electronic calculator | Expired / Lapsed | 1986-05-29 | 1988-10-04 | 1 | Details |
| US4774666A | Translating apparatus | Expired / Lapsed | 1986-05-14 | 1988-09-27 | 2 | Details |
| US4771382A | Master ECR for interrogating the state and data contents of… | Expired / Lapsed | 1987-04-15 | 1988-09-13 | 8 | Details |
| USD295875S | Electronic calculator | Expired / Lapsed | 1985-11-27 | 1988-05-24 | 1 | Details |
| USD294369S | Electronic calculator | Expired / Lapsed | 1985-09-11 | 1988-02-23 | 1 | Details |
| US4723836A | Handwritten character input device | Expired / Lapsed | 1984-10-10 | 1988-02-09 | 6 | Details |
| USD293688S | Electronic calculator with electronic memo | Expired / Lapsed | 1985-12-24 | 1988-01-12 | 1 | Details |
| US4707600A | Mark sensor device with one-dimensional image position sens… | Expired / Lapsed | 1987-03-02 | 1987-11-17 | 6 | Details |
| USD291565S | Telephone set | Expired / Lapsed | 1985-02-07 | 1987-08-25 | 1 | Details |
| USD290845S | Combined word processor-printer | Expired / Lapsed | 1984-05-16 | 1987-07-14 | 1 | Details |
| US4677313A | LSI high-voltage timing circuit for MOS dynamic memory elem… | Expired / Lapsed | 1985-03-01 | 1987-06-30 | 18 | Details |
| USD290372S | Electronic calculator | Expired / Lapsed | 1985-04-22 | 1987-06-16 | 1 | Details |
| USD290373S | Electronic calculator | Expired / Lapsed | 1985-01-18 | 1987-06-16 | 1 | Details |
| US4660190A | Optical focus position control in optical disc apparatus | Expired / Lapsed | 1983-09-06 | 1987-04-21 | 21 | Details |
| USD289177S | Electronic calculator | Expired / Lapsed | 1984-10-19 | 1987-04-07 | 1 | Details |
| USD286544S | Electronic calculator | Expired / Lapsed | 1984-09-25 | 1986-11-04 | 1 | Details |
| USD285574S | Electronic calculator | Expired / Lapsed | 1984-11-29 | 1986-09-09 | 1 | Details |
| US4563179A | Blocking condition detection device in a fluid injection sy… | Expired / Lapsed | 1983-04-28 | 1986-01-07 | 10 | Details |
| USD281435S | Printing calculator | Expired / Lapsed | 1982-09-29 | 1985-11-19 | 1 | Details |
| USD280407S | Computer display | Expired / Lapsed | 1983-06-14 | 1985-09-03 | 1 | Details |
| USD280410S | Processor unit for use with computers | Expired / Lapsed | 1983-06-14 | 1985-09-03 | 1 | Details |
| USD279688S | Electronic calculator | Expired / Lapsed | 1983-05-02 | 1985-07-16 | 1 | Details |
| USD279675S | Computer body | Expired / Lapsed | 1982-08-30 | 1985-07-16 | 1 | Details |
| USD279188S | Desk electronic computer | Expired / Lapsed | 1983-11-29 | 1985-06-11 | 1 | Details |
| USD279184S | Telephone acoustic coupler base | Expired / Lapsed | 1982-09-30 | 1985-06-11 | 1 | Details |
| USD279104S | Electronic printer with calculator | Expired / Lapsed | 1983-08-10 | 1985-06-04 | 1 | Details |
| USD279109S | Calculator | Expired / Lapsed | 1983-04-27 | 1985-06-04 | 1 | Details |
| USD279106S | Desk-top calculator | Expired / Lapsed | 1983-01-28 | 1985-06-04 | 1 | Details |
| USD278060S | Computer | Expired / Lapsed | 1982-05-03 | 1985-03-19 | 1 | Details |
| USD277681S | Calculator | Expired / Lapsed | 1982-03-24 | 1985-02-19 | 1 | Details |
| US4495627A | Cash accounting system | Expired / Lapsed | 1982-07-30 | 1985-01-22 | 3 | Details |
| USD276919S | Electronic cash register | Expired / Lapsed | 1982-03-15 | 1984-12-25 | 1 | Details |
| USD276230S | Computer keyboard | Expired / Lapsed | 1982-08-30 | 1984-11-06 | 1 | Details |
| USD275768S | Electronic calculator | Expired / Lapsed | 1982-03-15 | 1984-10-02 | 1 | Details |
| US4463440A | System clock generator in integrated circuit | Expired / Lapsed | 1981-04-15 | 1984-07-31 | 2 | Details |
| USD274439S | Electronic calculator | Expired / Lapsed | 1982-03-24 | 1984-06-26 | 1 | Details |
| USD273593S | Electronic calculator | Expired / Lapsed | 1981-12-14 | 1984-04-24 | 1 | Details |
| USD273304S | Electronic calculator | Expired / Lapsed | 1982-02-24 | 1984-04-03 | 1 | Details |
| USD273201S | Electronic calculator | Expired / Lapsed | 1981-12-23 | 1984-03-27 | 1 | Details |
| US4420816A | Electronic word retrieval device for searching and displayi… | Expired / Lapsed | 1979-10-29 | 1983-12-13 | 9 | Details |
| USD270164S | Electrostatic copying machine | Expired / Lapsed | 1981-05-18 | 1983-08-16 | 1 | Details |
| USD269875S | Electronic translator | Expired / Lapsed | 1981-04-24 | 1983-07-26 | 1 | Details |
| USD269355S | Electronic calculator | Expired / Lapsed | 1981-09-02 | 1983-06-14 | 1 | Details |
| USD269353S | Electronic calculator with electronic musical instrument an… | Expired / Lapsed | 1981-06-22 | 1983-06-14 | 1 | Details |
| US4384284A | Keyboard operated audio visual system | Expired / Lapsed | 1980-03-06 | 1983-05-17 | 28 | Details |
| USD268346S | Electronic calculator | Expired / Lapsed | 1980-12-30 | 1983-03-22 | 1 | Details |
| US4369780A | Blocking condition detection device in a medical fluid inje… | Expired / Lapsed | 1980-08-21 | 1983-01-25 | 9 | Details |
| US4348551A | Service bargain announcement in an electronic cash register | Expired / Lapsed | 1980-03-17 | 1982-09-07 | 9 | Details |
| USD265837S | Electronic calculating machine | Expired / Lapsed | 1980-01-09 | 1982-08-17 | 1 | Details |
| USD265314S | Information input and output machine | Expired / Lapsed | 1980-01-09 | 1982-07-06 | 1 | Details |
| USD264729S | Electronic calculator with timepiece | Expired / Lapsed | 1979-08-03 | 1982-06-01 | 1 | Details |
| USD264599S | Electronic cash register | Expired / Lapsed | 1980-02-27 | 1982-05-25 | 1 | Details |
| USD261994S | Digital watch | Expired / Lapsed | 1979-11-08 | 1981-11-24 | 1 | Details |
| USD261004S | Cash register | Expired / Lapsed | 1978-05-16 | 1981-09-29 | 1 | Details |
| USD261003S | Cash register | Expired / Lapsed | 1978-04-03 | 1981-09-29 | 1 | Details |
| US4287584A | Speech-synthesizer timepiece | Expired / Lapsed | 1979-03-07 | 1981-09-01 | 5 | Details |
| US4282404A | Synthetic-speech calculators | Expired / Lapsed | 1979-08-10 | 1981-08-04 | 10 | Details |
| US4280034A | Visual angle adjustable portable cash register | Expired / Lapsed | 1979-02-28 | 1981-07-21 | 14 | Details |
| US4267577A | Low power consumption integrated circuit for a combined tim… | Expired / Lapsed | 1979-04-26 | 1981-05-12 | 11 | Details |
| USD258891S | Electronic calculating machine | Expired / Lapsed | 1979-01-08 | 1981-04-14 | 1 | Details |
| USD258654S | Design for an information retrieval device or similar artic… | Expired / Lapsed | 1978-11-17 | 1981-03-24 | 1 | Details |
| USD257984S | Electrophotographical duplicator | Expired / Lapsed | 1978-04-26 | 1981-01-20 | 1 | Details |
| US4230323A | Automatic record player | Expired / Lapsed | 1978-09-26 | 1980-10-28 | 30 | Details |
| US4225890A | Magnetic tape recorder having a tape drive controller imple… | Expired / Lapsed | 1978-08-21 | 1980-09-30 | 23 | Details |
| USD257045S | Electronic calculating machine | Expired / Lapsed | 1978-12-13 | 1980-09-23 | 1 | Details |
| USD257003S | Watch | Expired / Lapsed | 1978-08-03 | 1980-09-23 | 1 | Details |
| USD256924S | Combined electronic calculating machine and clock | Expired / Lapsed | 1978-05-16 | 1980-09-16 | 1 | Details |
| USD256694S | Electronic calculating machine | Expired / Lapsed | 1978-11-08 | 1980-09-02 | 1 | Details |
| US4218876A | Combined timekeeper and calculator with low power consumpti… | Expired / Lapsed | 1977-11-23 | 1980-08-26 | 19 | Details |
| USD254617S | Billing machine | Expired / Lapsed | 1978-02-16 | 1980-04-01 | 1 | Details |
| US4185169A | Synthetic-speech calculators | Expired / Lapsed | 1978-02-03 | 1980-01-22 | 15 | Details |
| US4179584A | Synthetic-speech calculators | Expired / Lapsed | 1978-02-28 | 1979-12-18 | 20 | Details |
| US4177519A | Electronic control assembly mounted on a flexible carrier a… | Expired / Lapsed | 1978-04-17 | 1979-12-04 | 19 | Details |
| US4158230A | Electronic calculator with no protruding key tops | Expired / Lapsed | 1977-10-17 | 1979-06-12 | 31 | Details |
| US4151326A | Holding plate for liquid crystal | Expired / Lapsed | 1976-08-09 | 1979-04-24 | 3 | Details |
| US4149143A | Image sensor output correcting system | Expired / Lapsed | 1977-07-22 | 1979-04-10 | 6 | Details |
| USD250709S | Citizens band microphone | Expired / Lapsed | 1977-04-15 | 1979-01-02 | 1 | Details |
| USD250430S | Electronic calculating machine | Expired / Lapsed | 1977-06-07 | 1978-11-28 | 1 | Details |
| USD250063S | Electronic calculating machine | Expired / Lapsed | 1977-06-07 | 1978-10-24 | 1 | Details |
| USD249093S | Electronic calculating machine | Expired / Lapsed | 1977-08-23 | 1978-08-22 | 1 | Details |
| USD248995S | Electronic calculating machine | Expired / Lapsed | 1977-06-23 | 1978-08-15 | 1 | Details |
| USD248957S | Electrophotographical duplicator | Expired / Lapsed | 1977-03-03 | 1978-08-15 | 1 | Details |
| US4083099A | Manufacture of a twisted nematic field effect mode liquid c… | Expired / Lapsed | 1976-03-31 | 1978-04-11 | 5 | Details |
| US4082636A | Ion plating method | Expired / Lapsed | 1976-01-12 | 1978-04-04 | 7 | Details |
| USD247563S | Electroluminescent display | Expired / Lapsed | 1976-09-03 | 1978-03-21 | 1 | Details |
| USD247587S | Cash register | Expired / Lapsed | 1976-02-05 | 1978-03-21 | 1 | Details |
| USD247388S | Cash register | Expired / Lapsed | 1975-12-17 | 1978-02-28 | 1 | Details |
| USD247198S | Electronic calculating machine | Expired / Lapsed | 1976-07-30 | 1978-02-07 | 1 | Details |
| US4055755A | Switching assembly in combination wristwatch and calculator | Expired / Lapsed | 1976-04-15 | 1977-10-25 | 3 | Details |
| USD245765S | Clock | Expired / Lapsed | 1976-01-22 | 1977-09-13 | 1 | Details |
| USD245809S | Cash register | Expired / Lapsed | 1975-07-23 | 1977-09-13 | 1 | Details |
| US4020467A | Miniaturized key entry and translation circuitry arrangemen… | Expired / Lapsed | 1974-09-27 | 1977-04-26 | 9 | Details |
| USD243957S | Electronic calculating machine | Expired / Lapsed | 1975-04-25 | 1977-04-05 | 1 | Details |
| US4014039A | Automatic program locator for tape decks | Expired / Lapsed | 1975-04-24 | 1977-03-22 | 11 | Details |
| USD243701S | Electronic calculating machine | Expired / Lapsed | 1975-07-30 | 1977-03-15 | 1 | Details |
| USD243251S | Electronic calculating machine | Expired / Lapsed | 1975-08-21 | 1977-02-01 | 1 | Details |
| USD243250S | Electronic calculating machine | Expired / Lapsed | 1975-07-18 | 1977-02-01 | 1 | Details |
| US3995222A | Sinusoidal waveform generator | Expired / Lapsed | 1975-11-19 | 1976-11-30 | 9 | Details |
| US3973111A | Calculator having thermal printing head | Expired / Lapsed | 1974-07-19 | 1976-08-03 | 11 | Details |
| US3955185A | Power supply for calculators | Expired / Lapsed | 1973-11-29 | 1976-05-04 | 10 | Details |
| US3893177A | Automatic program finder system for tape decks | Expired / Lapsed | 1973-09-05 | 1975-07-01 | 6 | Details |
| US3725656A | Computing system for use in price indicating balance | Expired / Lapsed | 1971-02-22 | 1973-04-03 | 15 | Details |
| US3706971A | Brake control arrangement | Expired / Lapsed | 1970-04-02 | 1972-12-19 | 18 | Details |
| US3615120A | Anti-skid brake control device | Expired / Lapsed | 1969-09-10 | 1971-10-26 | 0 | Details |
| US3523284A | Information control system | Expired / Lapsed | 1967-06-23 | 1970-08-04 | 0 | Details |
| US3483400A | Flip-flop circuit | Expired / Lapsed | 1967-06-08 | 1969-12-09 | 0 | Details |
| US3469085A | Register controlling system | Expired / Lapsed | 1966-05-12 | 1969-09-23 | 0 | Details |
| US3391305A | Timer unit having selectable rest position | Expired / Lapsed | 1965-04-28 | 1968-07-02 | 2 | Details |
| US3278811A | Radiation energy transducing device | Expired / Lapsed | 1961-10-03 | 1966-10-11 | 2 | Details |