W AND L E GURLEY
W AND L EActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3297879A | Optical encoder responsive to movement in two directions | Expired / Lapsed | 1963-03-18 | 1967-01-10 | 2 | Details |
| US2363877A | Theodolite | Expired / Lapsed | 1943-02-11 | 1944-11-28 | 0 | Details |
| US2355606A | Oscillation circuit | Expired / Lapsed | 1942-07-01 | 1944-08-15 | 0 | Details |
| US2350058A | Method and apparatus for testing the porosity of sheet mate… | Expired / Lapsed | 1940-12-23 | 1944-05-30 | 0 | Details |
| US2188038A | Vernier microscope | Expired / Lapsed | 1939-08-08 | 1940-01-23 | 0 | Details |
| US1864896A | Vernier for reading graduated circles | Expired / Lapsed | 1930-03-31 | 1932-06-28 | 0 | Details |
| US1211703A | Recorder. | Expired / Lapsed | 1915-05-26 | 1917-01-09 | 0 | Details |