Weltronic Co
WeltronicActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3372379A | System for reading, recording and resetting registered data | Expired / Lapsed | 1964-08-21 | 1968-03-05 | 0 | Details |
| US3351912A | Production monitoring system and sequencing control therefor | Expired / Lapsed | 1964-08-21 | 1967-11-07 | 2 | Details |
| US3346696A | Production monitoring system with portable plug-in enabling… | Expired / Lapsed | 1963-08-28 | 1967-10-10 | 2 | Details |
| US3275987A | Production monitoring system | Expired / Lapsed | 1961-05-15 | 1966-09-27 | 1 | Details |
| US2564500A | Electronic control apparatus | Expired / Lapsed | 1949-12-29 | 1951-08-14 | 0 | Details |
| US2482892A | Electrical control system | Expired / Lapsed | 1946-10-18 | 1949-09-27 | 0 | Details |
| US2451997A | Electronic timing control system | Expired / Lapsed | 1944-06-02 | 1948-10-19 | 0 | Details |
| US2420919A | Timing control system | Expired / Lapsed | 1942-07-10 | 1947-05-20 | 0 | Details |