Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4583850 | Photographic camera and its use in conjunction with photographic silver halide emulsion materials | — | 1986-04-22 |
| 4483916 | Improving the color balance of multicolor prints by exposure through contrast reducing light distribution means | — | 1984-11-20 |
| 4458002 | Method and materials for improving the color balance of photographic multicolor images using contact screen | Wilhelmus Janssens, Wilfried F. Liekens | 1984-07-03 |
| 4261661 | Apparatus for producing double sided copies | — | 1981-04-14 |