Hoffman Electronics Corp
Hoffman ElActive Patents
0
Total Holdings
13
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3334217A | Simulation of solar radiation | Expired / Lapsed | 1962-04-12 | 1967-08-01 | 0 | Details |
| US3020412A | Semiconductor photocells | Expired / Lapsed | 1959-02-20 | 1962-02-06 | 0 | Details |
| US2994766A | Panoramic receivers or the like | Expired / Lapsed | 1958-01-27 | 1961-08-01 | 0 | Details |
| US2963390A | Method of making a photosensitive semi-conductor device | Expired / Lapsed | 1955-09-26 | 1960-12-06 | 2 | Details |
| US2919299A | High voltage photoelectric converter or the like | Expired / Lapsed | 1957-09-04 | 1959-12-29 | 0 | Details |
| US2919386A | Rectifier and method of making same | Expired / Lapsed | 1955-11-10 | 1959-12-29 | 0 | Details |
| US2904613A | Large area solar energy converter and method for making the… | Expired / Lapsed | 1957-08-26 | 1959-09-15 | 0 | Details |
| US2894176A | Load protection circuits or the like | Expired / Lapsed | 1954-11-04 | 1959-07-07 | 0 | Details |
| US2863105A | Rectifying device | Expired / Lapsed | 1955-11-10 | 1958-12-02 | 0 | Details |
| US2863053A | Height gate generators or the like | Expired / Lapsed | 1954-10-26 | 1958-12-02 | 0 | Details |
| US2827574A | Multivibrators | Expired / Lapsed | 1953-08-24 | 1958-03-18 | 0 | Details |
| US2824238A | Radiation detection pulse translating circuit | Expired / Lapsed | 1955-10-03 | 1958-02-18 | 0 | Details |
| US2764687A | Transistor automatic frequency control | Expired / Lapsed | 1954-07-19 | 1956-09-25 | 0 | Details |