Taylor Taylor and Hobson Ltd
Taylor TayActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US2821108A | Deep-field optical objectives | Expired / Lapsed | 1954-02-04 | 1958-01-28 | 0 | Details |
| US2723461A | Roundness measuring and/or recording apparatus | Expired / Lapsed | 1950-05-16 | 1955-11-15 | 0 | Details |
| US2543354A | Optical objective of the telephoto type | Expired / Lapsed | 1950-01-03 | 1951-02-27 | 0 | Details |
| US2479907A | Optical objective having a front member correcting spherica… | Expired / Lapsed | 1946-05-31 | 1949-08-23 | 0 | Details |
| US2471009A | Apparatus for measuring or indicating the roughness or undu… | Expired / Lapsed | 1944-08-15 | 1949-05-24 | 0 | Details |
| US2441549A | Copying machine | Expired / Lapsed | 1946-04-05 | 1948-05-11 | 0 | Details |
| US2439595A | Bore gauge | Expired / Lapsed | 1944-03-14 | 1948-04-13 | 0 | Details |
| US2421927A | Optical objective of the telephoto type | Expired / Lapsed | 1945-12-13 | 1947-06-10 | 0 | Details |
| US2380888A | Optical objective | Expired / Lapsed | 1942-06-30 | 1945-07-31 | 0 | Details |
| US2380887A | Optical system | Expired / Lapsed | 1942-03-10 | 1945-07-31 | 0 | Details |
| US2306679A | Optical system | Expired / Lapsed | 1941-05-10 | 1942-12-29 | 0 | Details |