Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4247615 | Continuous-tone dyed diazo imaging process | Hugh G. McGuckin | 1981-01-27 |
| 4220700 | Continuous-tone dyed diazo imaging elements | Hugh G. McGuckin | 1980-09-02 |
| 4201840 | Photographic film units containing a polymeric mordant which covalently bonds with certain dyes | Gerald A. Campbell, Lewis R. Hamilton, George Villard | 1980-05-06 |
| 4193795 | Photographic film units containing a polymeric mordant which covalently bonds with certain dyes | Gerald A. Campbell, Lewis R. Hamilton, George Villard | 1980-03-18 |