Hitachi Rail STS USA Inc
Hitachi RaActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2409696A | Remote control system | Expired / Lapsed | 1943-03-06 | 1946-10-22 | 0 | Details |
| US2400260A | Selective control and indication system | Expired / Lapsed | 1943-07-17 | 1946-05-14 | 0 | Details |
| US2277469A | Receiving apparatus for train communication systems | Expired / Lapsed | 1940-12-31 | 1942-03-24 | 0 | Details |
| US2229249A | Remote control system | Expired / Lapsed | 1932-03-23 | 1941-01-21 | 0 | Details |
| US2222048A | Apparatus for the production of electric oscillations | Expired / Lapsed | 1940-02-21 | 1940-11-19 | 0 | Details |
| US1862211A | Electrical translating apparatus | Expired / Lapsed | 1928-06-20 | 1932-06-07 | 0 | Details |
| US1640335A | Unidirectional current-carrying device | Expired / Lapsed | 1925-01-07 | 1927-08-23 | 0 | Details |