Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4932730 | Refrigerator or freezer with ventilation of refrigerated area | Hans-Peter Zeismann, Dieter Roser, Thomas Durstewitz | 1990-06-12 |
| 4539737 | Method for installing a motor-compressor unit in a cooling device | Werner Kerpers, Werner Bonk, Dieter Roser | 1985-09-10 |