Internat Telephone & Radio Manufacturing
Internat TActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2426242A | Lacquer | Expired / Lapsed | 1945-02-08 | 1947-08-26 | 0 | Details |
| US2303214A | Condenser | Expired / Lapsed | 1941-07-10 | 1942-11-24 | 0 | Details |
| US2302102A | Four course radio beacon | Expired / Lapsed | 1940-02-01 | 1942-11-17 | 0 | Details |
| US2302143A | High frequency voltmeter | Expired / Lapsed | 1939-09-19 | 1942-11-17 | 0 | Details |
| US2294881A | High frequency impedance unit | Expired / Lapsed | 1939-08-03 | 1942-09-08 | 0 | Details |
| US2283897A | Antenna system | Expired / Lapsed | 1939-04-26 | 1942-05-26 | 0 | Details |
| US2283620A | High frequency energy distribution system | Expired / Lapsed | 1941-03-01 | 1942-05-19 | 0 | Details |