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Electric Machinery Manufacturing Co

Electric M
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2882678A Snap action device Expired / Lapsed 1954-11-15 1959-04-21 0 Details
US2836737A Piezoelectric transducer Expired / Lapsed 1953-07-20 1958-05-27 0 Details
US2800551A Relay Expired / Lapsed 1953-09-17 1957-07-23 0 Details