Government of the United States of America
GovernmentActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US4241187A | Method and apparatus for cell and tissue culture | Expired / Lapsed | 1979-03-27 | 1980-12-23 | 3 | Details |
| US4184922A | Dual circuit, woven artificial capillary bundle for cell cu… | Expired / Lapsed | 1977-11-11 | 1980-01-22 | 4 | Details |
| US2402688A | Meteorological telemetering system | Expired / Lapsed | 1945-05-16 | 1946-06-25 | 0 | Details |
| US2255069A | Method and apparatus for separating and concentrating gases | Expired / Lapsed | 1938-03-11 | 1941-09-09 | 0 | Details |
| US2168341A | Fishway | Expired / Lapsed | 1938-03-01 | 1939-08-08 | 0 | Details |
| US1381158A | Bomber's training device | Expired / Lapsed | 1919-02-18 | 1921-06-14 | 0 | Details |