Central Commercial Co
Central CoActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2700003A | Process of artificially coloring mineral surfacing granules | Expired / Lapsed | 1951-10-15 | 1955-01-18 | 2 | Details |
| US2486039A | Electrical musical instrument | Expired / Lapsed | 1945-10-27 | 1949-10-25 | 0 | Details |
| US2410883A | Frequency generating system | Expired / Lapsed | 1943-09-17 | 1946-11-12 | 0 | Details |
| US2403090A | Electronic organ | Expired / Lapsed | 1944-09-19 | 1946-07-02 | 0 | Details |
| US2329544A | Condenser | Expired / Lapsed | 1941-07-16 | 1943-09-14 | 0 | Details |
| US2229759A | Voicing panel | Expired / Lapsed | 1939-07-10 | 1941-01-28 | 0 | Details |
| US2176525A | Electrical musical instrument | Expired / Lapsed | 1936-03-30 | 1939-10-17 | 0 | Details |