United States Department of Agriculture
United StaActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3854873A | Use of sodium bisulfite in an improved process for the trea… | Expired / Lapsed | 1972-12-13 | 1974-12-17 | 9 | Details |
| US2597011A | Preparation of starch sponge | Expired / Lapsed | 1950-07-28 | 1952-05-20 | 0 | Details |
| US2594358A | System and apparatus for selective photographing | Expired / Lapsed | 1950-04-24 | 1952-04-29 | 0 | Details |
| US2512645A | Self-advancing winding reel | Expired / Lapsed | 1946-07-19 | 1950-06-27 | 0 | Details |
| US2445892A | Amino fatty derivatives | Expired / Lapsed | 1946-02-05 | 1948-07-27 | 0 | Details |
| US2405646A | Process of manufacturing volatile esters of hydroxy carboxy… | Expired / Lapsed | 1945-05-28 | 1946-08-13 | 0 | Details |