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Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3906267A | Brushless electric motors | Expired / Lapsed | 1974-05-16 | 1975-09-16 | 11 | Details |
| US3794895A | Electric motors with electronic commutation | Expired / Lapsed | 1971-10-28 | 1974-02-26 | 11 | Details |
| US3555542A | Methods and apparatus for determining the angular position … | Expired / Lapsed | 1967-03-27 | 1971-01-12 | 0 | Details |
| US3392371A | Data transmission system with automatic error correction | Expired / Lapsed | 1964-08-20 | 1968-07-09 | 0 | Details |
| US3336576A | Data transmitting system | Expired / Lapsed | 1963-11-14 | 1967-08-15 | 2 | Details |
| US3031665A | Wide band slot antenna | Expired / Lapsed | 1959-12-15 | 1962-04-24 | 0 | Details |
| US2494232A | Telegraphic apparatus of the starting-stopping type | Expired / Lapsed | 1946-10-18 | 1950-01-10 | 0 | Details |