Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931831 | Photographic copying and enlarging apparatus | Hugo Knecht | 1990-06-05 |
| 4864355 | Apparatus for the production of photographic copies | Hugo Knecht | 1989-09-05 |
| 4552029 | Pivoting device | — | 1985-11-12 |
| 4552285 | Unloading device | — | 1985-11-12 |
| 4545675 | Transport device for disk shaped print masters | — | 1985-10-08 |
| 4536083 | Process and apparatus for the production of photographic prints from disk shaped masters | — | 1985-08-20 |