Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5408289 | Scanner for photographic processor | Andrew Green, Gerd Hoitz | 1995-04-18 |
| 5344541 | Silver recovery device | — | 1994-09-06 |
| 5203979 | Silver recovery device | Franz-Joseph Huttemeister | 1993-04-20 |