Electric Machinery Manufacturing Co
Electric MActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2882678A | Snap action device | Expired / Lapsed | 1954-11-15 | 1959-04-21 | 0 | Details |
| US2836737A | Piezoelectric transducer | Expired / Lapsed | 1953-07-20 | 1958-05-27 | 0 | Details |
| US2835761A | Electrostrictive ceramic actuator | Expired / Lapsed | 1955-04-01 | 1958-05-20 | 0 | Details |
| US2802147A | Electrostrictive capacitive relay flasher circuit | Expired / Lapsed | 1954-08-30 | 1957-08-06 | 0 | Details |
| US2800551A | Relay | Expired / Lapsed | 1953-09-17 | 1957-07-23 | 0 | Details |
| US2239244A | Synchronous motor control system | Expired / Lapsed | 1938-11-17 | 1941-04-22 | 0 | Details |
| US1847229A | Compressor unloader | Expired / Lapsed | 1930-04-05 | 1932-03-01 | 0 | Details |