Optische Anstalt CP Goerz AG
Optische AActive Patents
0
Total Holdings
11
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| GB431371A | Improvements in or relating to telescopes | Expired / Lapsed | 1934-10-30 | — | 0 | Details |
| GB212559A | Improvements in or relating to lenses | Expired / Lapsed | 1924-03-04 | — | 0 | Details |
| US1942536A | Apparatus for determining the speed and direction of moveme… | Expired / Lapsed | 1930-07-29 | 1934-01-09 | 0 | Details |
| US1889151A | Aiming telescope | Expired / Lapsed | 1931-03-19 | 1932-11-29 | 0 | Details |
| DE432240C | Photographic apparatus for dactyloscopy | Expired / Lapsed | 1925-02-08 | 1926-07-31 | 0 | Details |
| US1571066A | Refractometer | Expired / Lapsed | 1924-03-21 | 1926-01-26 | 0 | Details |
| DE356844C | Magnetic compass arrangement | Expired / Lapsed | 1919-07-16 | 1922-07-31 | 0 | Details |
| US1236722A | Optical system of variable magnification. | Expired / Lapsed | 1914-11-14 | 1917-08-14 | 0 | Details |
| US1116069A | Telescope of unvariable length and progressively-variable m… | Expired / Lapsed | 1913-04-01 | 1914-11-03 | 0 | Details |
| US909459A | Device for exposing light-sensitive layer-carriers. | Expired / Lapsed | 1907-03-30 | 1909-01-12 | 0 | Details |
| US784487A | Tangent-scale telescope for guns | Expired / Lapsed | 1903-01-28 | 1905-03-07 | 0 | Details |