Johnson Laboratories Inc
Johnson LaActive Patents
0
Total Holdings
9
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2258652A | Mounting device for adjustable inductors | Expired / Lapsed | 1940-06-05 | 1941-10-14 | 0 | Details |
| US2244177A | Signal collecting system for radio receivers | Expired / Lapsed | 1940-02-19 | 1941-06-03 | 0 | Details |
| US2226822A | Variable inductance mechanism | Expired / Lapsed | 1938-03-21 | 1940-12-31 | 0 | Details |
| US2210303A | High frequency generator | Expired / Lapsed | 1937-06-17 | 1940-08-06 | 0 | Details |
| US2192619A | Variable inductance | Expired / Lapsed | 1937-06-03 | 1940-03-05 | 0 | Details |
| US2190048A | Permeability-tuned oscillator tracking arrangement | Expired / Lapsed | 1939-04-10 | 1940-02-13 | 0 | Details |
| US2162335A | Vacuum tube sweep circuit | Expired / Lapsed | 1936-02-10 | 1939-06-13 | 0 | Details |
| US2106253A | Intermediate-frequency coupling device | Expired / Lapsed | 1933-11-11 | 1938-01-25 | 0 | Details |
| US2005203A | Variable inductance device | Expired / Lapsed | 1932-05-04 | 1935-06-18 | 0 | Details |