Edwards and Co Inc
Edwards anActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2249122A | Multiple push button switch construction | Expired / Lapsed | 1939-07-15 | 1941-07-15 | 0 | Details |
| US2206837A | Signaling apparatus | Expired / Lapsed | 1939-03-06 | 1940-07-02 | 0 | Details |
| US2205189A | Signaling apparatus | Expired / Lapsed | 1939-04-22 | 1940-06-18 | 0 | Details |
| US2169996A | Push-button switch construction | Expired / Lapsed | 1937-06-19 | 1939-08-22 | 0 | Details |
| US2083324A | Alarm signal station | Expired / Lapsed | 1935-03-30 | 1937-06-08 | 0 | Details |
| US2068629A | Musical signaling apparatus | Expired / Lapsed | 1935-10-24 | 1937-01-19 | 0 | Details |
| US2014444A | Signaling device | Expired / Lapsed | 1932-06-13 | 1935-09-17 | 0 | Details |
| US1699491A | Push-button-switch construction | Expired / Lapsed | 1925-12-11 | 1929-01-15 | 0 | Details |