Specialties Inc
SpecialtieActive Patents
0
Total Holdings
5
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2960920A | Photographic equipment and exposure control means therefor | Expired / Lapsed | 1956-09-10 | 1960-11-22 | 0 | Details |
| US2922352A | Rapid processing of photographic film | Expired / Lapsed | 1952-03-12 | 1960-01-26 | 0 | Details |
| US2887927A | Optical control instrument | Expired / Lapsed | 1953-01-21 | 1959-05-26 | 0 | Details |
| US2647224A | Means and method for assembling electric circuit components | Expired / Lapsed | 1950-12-02 | 1953-07-28 | 0 | Details |
| US2526685A | Polarized electromagnetic relay | Expired / Lapsed | 1946-10-10 | 1950-10-24 | 0 | Details |