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Knapp Monarch Co

Knapp Mona
Active Patents
0
Total Holdings
11

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US3145404A Electric toothbrush Expired / Lapsed 1963-03-04 1964-08-25 2 Details
US2787207A Twin window fans Expired / Lapsed 1953-06-01 1957-04-02 0 Details
US2709216A Temperature control for electric blankets Expired / Lapsed 1952-01-03 1955-05-24 0 Details
US2636959A Temperature control unit Expired / Lapsed 1950-04-10 1953-04-28 0 Details
US2623962A Speed control for motors Expired / Lapsed 1949-08-13 1952-12-30 0 Details
US2592525A Secondary temperature control for electric blankets Expired / Lapsed 1948-08-17 1952-04-15 0 Details
US2549095A Temperature control for warming blankets Expired / Lapsed 1948-07-31 1951-04-17 0 Details
US2490965A Electronic temperature control for warming blankets and the… Expired / Lapsed 1947-12-09 1949-12-13 0 Details
US2449309A Method of manufacturing commutators Expired / Lapsed 1944-06-15 1948-09-14 0 Details
US2179761A Electric appliance structure Expired / Lapsed 1938-05-09 1939-11-14 0 Details
US1951176A Coating machine and process Expired / Lapsed 1931-07-28 1934-03-13 0 Details