Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5389501 | Method of fixing a photographic material | John R. Fyson | 1995-02-14 |
| 4728598 | Photographic color couplers, photographic materials containing them and method of forming dye images | Joseph Bailey | 1988-03-01 |