Sangamo Electric Co
Sangamo ElActive Patents
0
Total Holdings
17
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4122498A | Event data recording apparatus with digitally encoded time … | Expired / Lapsed | 1977-05-11 | 1978-10-24 | 42 | Details |
| US3914757A | Remote meter reading system using electric power lines | Expired / Lapsed | 1974-03-06 | 1975-10-21 | 12 | Details |
| US3754250A | Remote meter reading system employing semipassive transpond… | Expired / Lapsed | 1970-07-10 | 1973-08-21 | 62 | Details |
| US3484694A | Data transmission system wherein system control is divided … | Expired / Lapsed | 1966-03-16 | 1969-12-16 | 0 | Details |
| US3400317A | Control system for providing and maintaining relative posit… | Expired / Lapsed | 1964-07-28 | 1968-09-03 | 0 | Details |
| US3382483A | Telemetering system for determining phase angle | Expired / Lapsed | 1963-10-30 | 1968-05-07 | 0 | Details |
| US3374464A | Supervisory control system | Expired / Lapsed | 1965-01-08 | 1968-03-19 | 0 | Details |
| US2994489A | Vacuum friction pad for tape recorders | Expired / Lapsed | 1958-10-24 | 1961-08-01 | 0 | Details |
| US2858983A | Telemeter register for meters | Expired / Lapsed | 1954-09-30 | 1958-11-04 | 0 | Details |
| US2651550A | Magnetic bearing suspension for electric measuring instrume… | Expired / Lapsed | 1951-03-02 | 1953-09-08 | 0 | Details |
| US2515154A | Transducer | Expired / Lapsed | 1946-07-15 | 1950-07-11 | 0 | Details |
| US2446290A | Telemetering | Expired / Lapsed | 1943-11-06 | 1948-08-03 | 0 | Details |
| US2305862A | Remote control system | Expired / Lapsed | 1939-07-26 | 1942-12-22 | 0 | Details |
| US2296972A | Coated chart paper and method of making same | Expired / Lapsed | 1940-04-22 | 1942-09-29 | 0 | Details |
| US2283993A | Production indicating apparatus | Expired / Lapsed | 1939-05-29 | 1942-05-26 | 0 | Details |
| US1992273A | Time switch | Expired / Lapsed | 1932-06-09 | 1935-02-26 | 0 | Details |
| US1335943A | Cord-terminal for electric wires | Expired / Lapsed | 1916-10-14 | 1920-04-06 | 0 | Details |