Tung Sol Electric Inc
Tung Sol EActive Patents
0
Total Holdings
12
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3255380A | Touch responsive circuit for control of a load | Expired / Lapsed | 1961-09-11 | 1966-06-07 | 2 | Details |
| US3200306A | Touch responsive circuit | Expired / Lapsed | 1963-09-12 | 1965-08-10 | 2 | Details |
| US3200304A | Touch control circuit | Expired / Lapsed | 1962-04-25 | 1965-08-10 | 2 | Details |
| US3171066A | Touch control circuits | Expired / Lapsed | 1960-07-05 | 1965-02-23 | 2 | Details |
| US3143167A | Temperature controlled enclosure for testing purposes | Expired / Lapsed | 1961-05-19 | 1964-08-04 | 2 | Details |
| US3128421A | Series rectifier circuit with capacity compensating means | Expired / Lapsed | 1961-05-19 | 1964-04-07 | 1 | Details |
| US3081594A | Touch controlled electric alarm clock | Expired / Lapsed | 1960-10-28 | 1963-03-19 | 2 | Details |
| US3025434A | Touch responsive system | Expired / Lapsed | 1960-07-05 | 1962-03-13 | 0 | Details |
| US2994013A | Transistor circuit for intermittently energizing a load | Expired / Lapsed | 1958-02-21 | 1961-07-25 | 0 | Details |
| US2975344A | Semiconductor field effect device | Expired / Lapsed | 1959-05-28 | 1961-03-14 | 0 | Details |
| US2926286A | Cold cathode display device | Expired / Lapsed | 1958-09-19 | 1960-02-23 | 0 | Details |
| US2854365A | Potential graded semi-conductor and method of making the sa… | Expired / Lapsed | 1956-03-16 | 1958-09-30 | 2 | Details |