Clark Controller Co
Clark ContActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3238329A | Electric switch apparatus | Expired / Lapsed | 1963-04-19 | 1966-03-01 | 1 | Details |
| US3219908A | Gate control circuit | Expired / Lapsed | 1961-01-03 | 1965-11-23 | 2 | Details |
| US2498614A | Circuit selector switch | Expired / Lapsed | 1947-05-27 | 1950-02-21 | 0 | Details |
| US2371981A | Time delay system | Expired / Lapsed | 1942-05-02 | 1945-03-20 | 0 | Details |
| US2302838A | Press motor controls | Expired / Lapsed | 1940-09-11 | 1942-11-24 | 0 | Details |
| US2301613A | Fluid pressure operated apparatus | Expired / Lapsed | 1940-09-25 | 1942-11-10 | 0 | Details |
| US2133161A | Electric control for power presses and the like | Expired / Lapsed | 1937-12-29 | 1938-10-11 | 0 | Details |
| US1993413A | Electric control method and means for power operated machin… | Expired / Lapsed | 1932-08-25 | 1935-03-05 | 0 | Details |