Merla Tool Corp
Merla ToolActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2894793A | Well flow valve devices | Expired / Lapsed | 1955-08-23 | 1959-07-14 | 0 | Details |
| US2642811A | Well flow apparatus and system | Expired / Lapsed | 1948-07-09 | 1953-06-23 | 0 | Details |
| US2496546A | Pump anchoring device | Expired / Lapsed | 1946-04-15 | 1950-02-07 | 0 | Details |
| US2446680A | Well flow device | Expired / Lapsed | 1944-10-21 | 1948-08-10 | 0 | Details |
| US2391605A | Well flow device | Expired / Lapsed | 1944-10-21 | 1945-12-25 | 0 | Details |
| US2385316A | Well flow device | Expired / Lapsed | 1944-06-09 | 1945-09-18 | 0 | Details |