STEPHENS PUMP Co
STEPHENS PActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2047540A | Pump | Expired / Lapsed | 1934-06-29 | 1936-07-14 | 0 | Details |
| US1940516A | Pump | Expired / Lapsed | 1932-11-04 | 1933-12-19 | 0 | Details |
| US1899298A | Pump | Expired / Lapsed | 1932-01-15 | 1933-02-28 | 0 | Details |
| US1888053A | Pump | Expired / Lapsed | 1932-05-05 | 1932-11-15 | 0 | Details |
| US1832258A | Pump | Expired / Lapsed | 1930-01-18 | 1931-11-17 | 0 | Details |
| US1832257A | Pump | Expired / Lapsed | 1929-05-15 | 1931-11-17 | 0 | Details |