FANSTEEL PROD CO Inc
FANSTEEL PActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US1922245A | Manufacture of gaseous conduction devices | Expired / Lapsed | 1930-11-28 | 1933-08-15 | 0 | Details |
| US1808498A | Electrolytic filter condenser | Expired / Lapsed | 1928-03-22 | 1931-06-02 | 0 | Details |
| US1744302A | Electrolytic condenser | Expired / Lapsed | 1927-03-14 | 1930-01-21 | 0 | Details |
| US1724607A | Rectifier circuit | Expired / Lapsed | 1927-05-09 | 1929-08-13 | 0 | Details |
| US1701299A | Tantalum-alloy pen | Expired / Lapsed | 1927-05-27 | 1929-02-05 | 0 | Details |
| US1688481A | Apparatus for processing wire | Expired / Lapsed | 1927-09-26 | 1928-10-23 | 0 | Details |
| US1625697A | Method of making breaker arms | Expired / Lapsed | 1925-06-17 | 1927-04-19 | 0 | Details |