Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298362 | Photographic high-contrast silver halide materials | Philip J. Coldrick, Nicholas A. Pightling | 1994-03-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5298362 | Photographic high-contrast silver halide materials | Philip J. Coldrick, Nicholas A. Pightling | 1994-03-29 |