Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853727 | Process and device for treating a photographic recording material | Dieter Jahn, Bruno Kritzner | 1989-08-01 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4853727 | Process and device for treating a photographic recording material | Dieter Jahn, Bruno Kritzner | 1989-08-01 |