Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5858631 | Processing color photographic materials | Herbert Mitzinger | 1999-01-12 |
| 5135841 | Process for the production of color photographic copies | Ubbo Wernicke, Herbert Mitzinger | 1992-08-04 |