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Jefferson Electric Co

Jefferson
Active Patents
0
Total Holdings
2

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2435603A Timing unit for switches Expired / Lapsed 1944-04-08 1948-02-10 0 Details
US2309711A Control circuit Expired / Lapsed 1941-04-30 1943-02-02 0 Details