Ilford Imaging UK Ltd
Ilford ImaActive Patents
0
Total Holdings
8
Patent Holdings
Filter in Explorer →| Patent No. | Title | Status | Filing Date | Grant Date | Claims | Actions |
|---|---|---|---|---|---|---|
| DE1597239B2 | METHOD AND DEVICE FOR COPYING COLOR NEGATIVES | Expired / Lapsed | 1967-07-20 | — | 0 | Details |
| DE1597239A1 | Color copying process and device for carrying out the proce… | Expired / Lapsed | 1967-07-20 | — | 0 | Details |
| US3455632A | Method of classifying photographic material | Expired / Lapsed | 1966-01-06 | 1969-07-15 | 0 | Details |
| US2680200A | Examination of photographic materials | Expired / Lapsed | 1951-07-06 | 1954-06-01 | 0 | Details |
| US2513927A | Web guiding apparatus | Expired / Lapsed | 1944-10-18 | 1950-07-04 | 0 | Details |
| US2393631A | Testing of photographic films, plates, and papers | Expired / Lapsed | 1941-11-18 | 1946-01-29 | 0 | Details |
| US2387887A | X-ray dosage indicator | Expired / Lapsed | 1944-06-27 | 1945-10-30 | 0 | Details |
| US1995444A | Photographic printing emulsion | Expired / Lapsed | 1932-08-31 | 1935-03-26 | 0 | Details |