Sangamo Electric Co
Sangamo ElActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3914757A | Remote meter reading system using electric power lines | Expired / Lapsed | 1974-03-06 | 1975-10-21 | 12 | Details |
| US3484694A | Data transmission system wherein system control is divided … | Expired / Lapsed | 1966-03-16 | 1969-12-16 | 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 |
| US2858983A | Telemeter register for meters | Expired / Lapsed | 1954-09-30 | 1958-11-04 | 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 |
| US2283993A | Production indicating apparatus | Expired / Lapsed | 1939-05-29 | 1942-05-26 | 0 | Details |