Twentieth Century Fox Film Corp
TwentiethActive Patents
0
Total Holdings
7
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| US3622797A | Radiation sensitive automatic focus system | Expired / Lapsed | 1970-07-02 | 1971-11-23 | 8 | Details |
| US3199404A | Method and apparatus for automatically and repetitively mak… | Expired / Lapsed | 1962-09-21 | 1965-08-10 | 2 | Details |
| US2606477A | Apparatus for the projection of pictures in black and white… | Expired / Lapsed | 1949-05-07 | 1952-08-12 | 0 | Details |
| US2527633A | Electronic counter | Expired / Lapsed | 1946-05-14 | 1950-10-31 | 0 | Details |
| US2366950A | Microphone boom | Expired / Lapsed | 1942-07-24 | 1945-01-09 | 0 | Details |
| US2204880A | Lift truck | Expired / Lapsed | 1939-05-10 | 1940-06-18 | 0 | Details |
| US2116735A | Spool spindle for film magazines | Expired / Lapsed | 1935-12-04 | 1938-05-10 | 0 | Details |