Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693458 | Photographic elements containing certain yellow dye-forming couplers | Bernard A. Clark, Hamish McNab, Craig Cameron Sommerville | 1997-12-02 |
RG
Robert Gourley
Overall (1997): #85,904 of 185,788Top 50%
1
Patents 1997