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Hart Manufacturing Co

Hart Manuf
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2713668A Quick detachable electrical connector Expired / Lapsed 1951-06-21 1955-07-19 0 Details
US2626335A Electric switch Expired / Lapsed 1950-10-18 1953-01-20 0 Details