Zeiss Ikon AG
Zeiss IkonActive Patents
0
Total Holdings
15
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE1922924A1 | Device for presenting an image in a motor vehicle | Expired / Lapsed | 1969-05-06 | — | 0 | Details |
| GB496329A | Improvements in or relating to polarisation filters | Expired / Lapsed | 1937-11-16 | — | 0 | Details |
| US2862126A | Radiation sensitive semi-conductive layer of amorphous sele… | Expired / Lapsed | 1953-08-28 | 1958-11-25 | 2 | Details |
| US2268338A | Stereoscopic attachment for projectors | Expired / Lapsed | 1939-02-24 | 1941-12-30 | 0 | Details |
| US2254548A | Method and means for testing the adjustment of photographic… | Expired / Lapsed | 1939-12-18 | 1941-09-02 | 0 | Details |
| US2246817A | Photometer | Expired / Lapsed | 1938-10-12 | 1941-06-24 | 0 | Details |
| US2241041A | Means for projecting stereoscopic pictures | Expired / Lapsed | 1939-02-11 | 1941-05-06 | 0 | Details |
| US2190713A | Piezoelectric pressure indicator | Expired / Lapsed | 1938-03-17 | 1940-02-20 | 0 | Details |
| US2186123A | Illuminating system | Expired / Lapsed | 1938-02-21 | 1940-01-09 | 0 | Details |
| US2185018A | Polarizing structure | Expired / Lapsed | 1937-12-30 | 1939-12-26 | 0 | Details |
| US2183249A | Illuminating device for projectors | Expired / Lapsed | 1938-11-05 | 1939-12-12 | 0 | Details |
| US2183256A | Photoelectric cell | Expired / Lapsed | 1937-07-21 | 1939-12-12 | 0 | Details |
| US2159568A | Picture-translating tube | Expired / Lapsed | 1937-05-03 | 1939-05-23 | 0 | Details |
| US2104094A | Photographic camera | Expired / Lapsed | 1936-07-30 | 1938-01-04 | 0 | Details |
| US1713277A | Film-spool construction | Expired / Lapsed | 1928-05-03 | 1929-05-14 | 0 | Details |