Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4819034 | Method and microfilm camera for detecting codes applied to original copies in the camera | Eberhard Zieran | 1989-04-04 |
| 4757352 | Method of monitoring the picture taking of originals in a microfilm camera and a microfilm camera for carrying out the method | Eberhard Zieran | 1988-07-12 |
| 4350434 | Electrophotographic copying machine | Rudolf Paulus, Norbert Schankat, Walter Franke | 1982-09-21 |