Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5014910 | Process for operating a motor vehicle heating system and motor vehicle heating system | Peter Koch, Peter Waas, Franz Neumeyer | 1991-05-14 |
| 4932833 | Ring channel blower | Peter Wieja | 1990-06-12 |
| 4905895 | Heating device, particularly vehicle auxiliary heating device with a quadrangular heat exchanger | Karl Grebe, Peter Glaser | 1990-03-06 |