Sorensen & Co Inc
Sorensen &Active Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2925548A | Protective device for transistor regulators | Expired / Lapsed | 1958-02-10 | 1960-02-16 | 0 | Details |
| US2814773A | Voltage regulator | Expired / Lapsed | 1957-02-04 | 1957-11-26 | 0 | Details |
| US2810877A | Voltage regulator | Expired / Lapsed | 1956-04-10 | 1957-10-22 | 0 | Details |
| US2809341A | Voltage regulator | Expired / Lapsed | 1956-02-13 | 1957-10-08 | 0 | Details |
| US2801383A | Voltage regulator | Expired / Lapsed | 1956-09-24 | 1957-07-30 | 0 | Details |
| US2721303A | Voltage regulators | Expired / Lapsed | 1954-11-22 | 1955-10-18 | 0 | Details |
| US2714186A | Variable frequency magnetostrictive transducer | Expired / Lapsed | 1952-09-12 | 1955-07-26 | 0 | Details |
| US2668937A | Current regulator | Expired / Lapsed | 1951-11-19 | 1954-02-09 | 0 | Details |