Bell Aircraft Corp
Bell AircrActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| 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 |
| US2424511A | Aircraft flight instrument | Expired / Lapsed | 1944-03-29 | 1947-07-22 | 0 | Details |
| US2368698A | Helicopter aircraft | Expired / Lapsed | 1943-03-10 | 1945-02-06 | 0 | Details |
| US2335822A | Airplane | Expired / Lapsed | 1941-05-09 | 1943-11-30 | 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 |