Patent Explorer

Browse, filter, and analyze 3 patents across global jurisdictions.

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Patent Number Title Assignee Status Filing Date Grant Date Expires Remaining Claims Actions
US2836723A Synchronized phase shift oscillator SOUTHWESTERN IND ELECTRONICS C Expired / Lapsed 1955-11-28 1958-05-27 1975-11-28 0.0 yrs 0
US2825886A Cathode ray tube viewing device SOUTHWESTERN IND ELECTRONICS C Expired / Lapsed 1956-06-07 1958-03-04 1976-06-07 0.0 yrs 0
US2783426A Precision motor drive device SOUTHWESTERN IND ELECTRONICS C Expired / Lapsed 1954-12-20 1957-02-26 1974-12-20 0.0 yrs 0