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SOUTHWESTERN IND ELECTRONICS C

SOUTHWESTE
Active Patents
0
Total Holdings
3

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2836723A Synchronized phase shift oscillator Expired / Lapsed 1955-11-28 1958-05-27 0 Details
US2825886A Cathode ray tube viewing device Expired / Lapsed 1956-06-07 1958-03-04 0 Details
US2783426A Precision motor drive device Expired / Lapsed 1954-12-20 1957-02-26 0 Details