← Back to Companies

Sorensen & Co Inc

Sorensen &
Active Patents
0
Total Holdings
4

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
US2809341A Voltage regulator Expired / Lapsed 1956-02-13 1957-10-08 0 Details
US2714186A Variable frequency magnetostrictive transducer Expired / Lapsed 1952-09-12 1955-07-26 0 Details