National Drug Co
National DActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2930736A | Stabilized trypsin compositions containing partially hydrol… | Expired / Lapsed | 1957-01-07 | 1960-03-29 | 4 | Details |
| US2554072A | Antacid composition | Expired / Lapsed | 1948-10-04 | 1951-05-22 | 1 | Details |
| US2202163A | Closure for dispensing containers | Expired / Lapsed | 1936-06-15 | 1940-05-28 | 0 | Details |
| US2168270A | Hypodermic-injection apparatus | Expired / Lapsed | 1936-11-21 | 1939-08-01 | 0 | Details |
| US2100610A | Gas filter | Expired / Lapsed | 1936-06-15 | 1937-11-30 | 0 | Details |
| US1616274A | Hypodermic-solution container | Expired / Lapsed | 1926-08-13 | 1927-02-01 | 0 | Details |