Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5204231 | White safelight handleable photographic film containing a filter dye layer | Thomas R. Smith | 1993-04-20 |
| 4976997 | Surface composition for a substrate and method of preparation | Cynthia L. Buchan | 1990-12-11 |
| 4935463 | Surface composition for a substrate and method of preparation | Cynthia L. Buchan | 1990-06-19 |