Stackpole Carbon Co
StackpoleActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3362004A | Straight potentiometer with linear motion contact | Expired / Lapsed | 1966-03-30 | 1968-01-02 | 0 | Details |
| US3217112A | Rocker-actuated electric slide switch | Expired / Lapsed | 1963-10-24 | 1965-11-09 | 2 | Details |
| US3158797A | Device for magnetizing circular magnets | Expired / Lapsed | 1961-10-31 | 1964-11-24 | 2 | Details |
| US2896043A | Electric switch formed from magnets | Expired / Lapsed | 1957-02-11 | 1959-07-21 | 0 | Details |
| US2436208A | Condenser | Expired / Lapsed | 1943-07-03 | 1948-02-17 | 0 | Details |
| US2382338A | Electric contacts | Expired / Lapsed | 1943-05-18 | 1945-08-14 | 0 | Details |
| US2368306A | Method of treating electrodes | Expired / Lapsed | 1941-05-02 | 1945-01-30 | 0 | Details |
| US2282398A | Method of making insulated resistors | Expired / Lapsed | 1940-10-24 | 1942-05-12 | 0 | Details |
| US2278592A | Contact element | Expired / Lapsed | 1940-04-23 | 1942-04-07 | 0 | Details |
| US2255120A | Weldable silver-graphite contact and method of making it | Expired / Lapsed | 1939-10-13 | 1941-09-09 | 0 | Details |
| US2216493A | Electrographitic brush | Expired / Lapsed | 1939-04-11 | 1940-10-01 | 0 | Details |
| US1986224A | Switch contact | Expired / Lapsed | 1930-03-01 | 1935-01-01 | 0 | Details |
| US1874744A | Resistor mounting | Expired / Lapsed | 1931-05-09 | 1932-08-30 | 0 | Details |