Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4350018 | Gas recovery system | Ewald Marnette | 1982-09-21 |
| 4310621 | Photosensitive photographic material, a process for the production of photographic images, development baths and new hydroquinones | Heinrich Odenwalder, Reinhard Muller | 1982-01-12 |