Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4492458 | Method of and arrangement for copying a colored original | Gunter Findeis, Helmut Treiber | 1985-01-08 |
| 4415255 | Optical copying arrangement | Hans-Peter Huber, Erich Burger | 1983-11-15 |
| 4403849 | Electrostatic copying device | Erich Burger, Hans-Peter Huber | 1983-09-13 |