Stanolind Oil and Gas Co
StanolindActive Patents
0
Total Holdings
6
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2422806A | Drill bit pressure gauge | Expired / Lapsed | 1944-04-28 | 1947-06-24 | 0 | Details |
| US2337231A | Nondestructive testing method and apparatus | Expired / Lapsed | 1942-01-22 | 1943-12-21 | 0 | Details |
| US2332873A | Differential radioactivity logging | Expired / Lapsed | 1942-04-25 | 1943-10-26 | 0 | Details |
| US2275735A | Method and apparatus for determining distances of elastic d… | Expired / Lapsed | 1939-06-23 | 1942-03-10 | 0 | Details |
| US2235089A | Modulated steady state reflection seismic surveying | Expired / Lapsed | 1939-01-14 | 1941-03-18 | 0 | Details |
| US2233973A | Slow setting cement | Expired / Lapsed | 1939-06-22 | 1941-03-04 | 0 | Details |