Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4383751 | Developing apparatus with a rotatable brush having a protective hood | Klaus Kuemmerl | 1983-05-17 |
| 4349932 | Device for uniformly pressing on and releasing the pressure from rub-out bars | — | 1982-09-21 |
| 4181420 | Development device for developing sheets of diazo copying material | Erich D. Blume | 1980-01-01 |