Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6222612 | Process and device for the output of electronic image signals, and a photographic copier | Ulrich Kluter | 2001-04-24 |
| 5564642 | Device for winding strips of photographic film | Guenter Czapla | 1996-10-15 |
| 4754306 | Microfilm reading and reverse enlarging apparatus | Hubert Hackenberg, Adolf Koopmann, Jurgen Sylla | 1988-06-28 |
| 4593990 | Control device for controlling a diaphragm slot in a microfilm-reading and enlarging apparatus | Hubert Hackenberg | 1986-06-10 |