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Bell Aircraft Corp

Bell Aircr
Active Patents
0
Total Holdings
13

Patent Holdings

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Patent No. Title Status Filing Date Grant Date Claims Actions
US2533609A Process for manufacturing minutely orificed articles Expired / Lapsed 1949-03-19 1950-12-12 2 Details
US2504096A Aircraft control system Expired / Lapsed 1947-06-02 1950-04-11 0 Details
US2424511A Aircraft flight instrument Expired / Lapsed 1944-03-29 1947-07-22 0 Details
US2394462A Ordnance Expired / Lapsed 1943-09-18 1946-02-05 0 Details
US2392279A Pressured fluid pump or motor Expired / Lapsed 1944-11-02 1946-01-01 0 Details
US2368698A Helicopter aircraft Expired / Lapsed 1943-03-10 1945-02-06 0 Details
US2340241A Aircraft gearing Expired / Lapsed 1942-05-20 1944-01-25 0 Details
US2335822A Airplane Expired / Lapsed 1941-05-09 1943-11-30 0 Details
US2290224A Control means for airplanes Expired / Lapsed 1938-12-30 1942-07-21 0 Details
US2242201A Hinged mount Expired / Lapsed 1938-12-30 1941-05-13 0 Details
US2242200A Airplane structure Expired / Lapsed 1938-12-01 1941-05-13 0 Details
US2206474A Airplane control column Expired / Lapsed 1938-12-30 1940-07-02 0 Details
US2194458A Compressible rivet Expired / Lapsed 1938-06-03 1940-03-26 0 Details