SF Bowser and Co Inc
SF BowserActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2445291A | Remote inventory control system | Expired / Lapsed | 1940-04-15 | 1948-07-13 | 0 | Details |
| US2359368A | Filter element | Expired / Lapsed | 1941-08-19 | 1944-10-03 | 0 | Details |
| US2240793A | Separable filter screen | Expired / Lapsed | 1938-07-13 | 1941-05-06 | 0 | Details |
| US2228820A | Predetermined stop mechanism | Expired / Lapsed | 1937-10-21 | 1941-01-14 | 0 | Details |
| US2095470A | Method and apparatus for purifying liquids | Expired / Lapsed | 1932-10-14 | 1937-10-12 | 0 | Details |
| US1906417A | Filtering apparatus | Expired / Lapsed | 1928-07-20 | 1933-05-02 | 0 | Details |
| US1824079A | Filter | Expired / Lapsed | 1928-08-02 | 1931-09-22 | 0 | Details |