Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576885 | Photographic material for the silver dye bleach process | Mario Fryberg, Rolf Steiger, Heinz Peter | 1986-03-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4576885 | Photographic material for the silver dye bleach process | Mario Fryberg, Rolf Steiger, Heinz Peter | 1986-03-18 |