ROGERS RADIO TUBES Ltd
ROGERS RADActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2094242A | Coating and method of applying the same | Expired / Lapsed | 1936-01-11 | 1937-09-28 | 0 | Details |
| US2030930A | Electron discharge device | Expired / Lapsed | 1934-04-04 | 1936-02-18 | 0 | Details |
| US1982068A | Combined rectifier and pentode | Expired / Lapsed | 1933-12-01 | 1934-11-27 | 0 | Details |
| US1929932A | Photo-electric tube | Expired / Lapsed | 1931-03-03 | 1933-10-10 | 0 | Details |
| US1925110A | Gaseous discharge device | Expired / Lapsed | 1933-01-04 | 1933-09-05 | 0 | Details |
| US1909982A | Induction furnace | Expired / Lapsed | 1930-07-09 | 1933-05-23 | 0 | Details |