Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231319 | Electrostatic copying apparatus | Gunther Maurischat, Heinz Webersik | 1980-11-04 |
| 4194831 | Optical copier | Karl T. Hartwig | 1980-03-25 |
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4231319 | Electrostatic copying apparatus | Gunther Maurischat, Heinz Webersik | 1980-11-04 |
| 4194831 | Optical copier | Karl T. Hartwig | 1980-03-25 |