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Underwood Elliott Fisher Co

Underwood
Active Patents
0
Total Holdings
17

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2378545A Method of and apparatus for testing guns and correcting gun… Expired / Lapsed 1943-06-30 1945-06-19 0 Details
US2307245A Computing and printing machine Expired / Lapsed 1940-06-27 1943-01-05 0 Details
US2303877A Typewriting machine Expired / Lapsed 1938-12-31 1942-12-01 0 Details
US2278118A Business machine Expired / Lapsed 1936-09-24 1942-03-31 0 Details
US2272079A Printing mechanism for accounting machines Expired / Lapsed 1938-12-30 1942-02-03 0 Details
US2251097A Accounting machine Expired / Lapsed 1938-06-29 1941-07-29 0 Details
US2233949A Typewriting machine Expired / Lapsed 1939-03-25 1941-03-04 0 Details
US2229905A Accounting machine Expired / Lapsed 1934-10-31 1941-01-28 0 Details
US2223028A Typewriting machine Expired / Lapsed 1938-11-18 1940-11-26 0 Details
US2216608A Paper guiding and holding mechanism for accounting machines Expired / Lapsed 1938-12-30 1940-10-01 0 Details
US2160277A Photographic line-justifying apparatus Expired / Lapsed 1935-12-07 1939-05-30 0 Details
US2142250A Means for applying work upon lithographic plates Expired / Lapsed 1935-10-11 1939-01-03 0 Details
US2101230A Combined cabinet and business machine stand Expired / Lapsed 1936-06-05 1937-12-07 0 Details
US2011310A Bichrome ribbon mechanism for computing machines Expired / Lapsed 1930-11-13 1935-08-13 0 Details
US1802391A Typewriting machine Expired / Lapsed 1926-07-15 1931-04-28 0 Details
US1801396A Typewriting machine Expired / Lapsed 1926-09-24 1931-04-21 0 Details
US1743682A Brush for electric motors Expired / Lapsed 1924-06-27 1930-01-14 0 Details