Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882261 | High contrast dot enhancing compositions and photographic products and methods for their use | Yasuhiko Kojima, Burton H. Waxman | 1989-11-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882261 | High contrast dot enhancing compositions and photographic products and methods for their use | Yasuhiko Kojima, Burton H. Waxman | 1989-11-21 |