Patent Explorer
Browse, filter, and analyze 4 patents across global jurisdictions.
| Patent Number | Title | Assignee | Status | Filing Date | Grant Date | Expires | Remaining | Claims | Actions |
|---|---|---|---|---|---|---|---|---|---|
| US3351912A | Production monitoring system and sequencing control therefor | Weltronic Co | Expired / Lapsed | 1964-08-21 | 1967-11-07 | 1984-08-21 | 0.0 yrs | 2 | |
| US3346696A | Production monitoring system with portable plug-in enabling switch | Weltronic Co | Expired / Lapsed | 1963-08-28 | 1967-10-10 | 1983-08-28 | 0.0 yrs | 2 | |
| US2564500A | Electronic control apparatus | Weltronic Co | Expired / Lapsed | 1949-12-29 | 1951-08-14 | 1969-12-29 | 0.0 yrs | 0 | |
| US2482892A | Electrical control system | Weltronic Co | Expired / Lapsed | 1946-10-18 | 1949-09-27 | 1966-10-18 | 0.0 yrs | 0 |