DECISION DATA Inc A CORP OF
DECISION DActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| USD249513S | Keyboard | Expired / Lapsed | 1976-11-15 | 1978-09-19 | 1 | Details |
| US4018999A | Keyboard switch assembly having adhesive position retainer … | Expired / Lapsed | 1974-09-12 | 1977-04-19 | 9 | Details |
| US3908109A | Dome shaped switch member | Expired / Lapsed | 1974-06-14 | 1975-09-23 | 3 | Details |
| US3869698A | Optical character recognition video amplifier and digitizer | Expired / Lapsed | 1973-11-29 | 1975-03-04 | 7 | Details |
| US3751612A | Snap action capacitive type switch | Expired / Lapsed | 1971-08-30 | 1973-08-07 | 9 | Details |
| US3749859A | Keyboard switch assembly with improved hermetically sealed … | Expired / Lapsed | 1972-04-19 | 1973-07-31 | 15 | Details |
| US3745529A | Trouble alarm device for transmission system | Expired / Lapsed | 1971-12-27 | 1973-07-10 | 13 | Details |
| US3653038A | Capacitive electric signal device and keyboard using said d… | Expired / Lapsed | 1970-02-20 | 1972-03-28 | 33 | Details |