Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865958 | Photographic recording material comprising leuco dye for cold silver image tone | Robert E. Dickerson, Michael P. Youngblood | 1989-09-12 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865958 | Photographic recording material comprising leuco dye for cold silver image tone | Robert E. Dickerson, Michael P. Youngblood | 1989-09-12 |