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Servo Tek Products Co Inc

Servo Tek
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3566229A Motor control circuit Expired / Lapsed 1968-07-23 1971-02-23 15 Details
US2572824A Electronic motor speed control Expired / Lapsed 1949-02-08 1951-10-23 0 Details
US2463882A Recorder and mechanical movement Expired / Lapsed 1948-04-23 1949-03-08 0 Details