Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4869557 | Driver brake valve | Eduard Gerum, Gerd Kessel, Manfred Weissflog | 1989-09-26 |
| 4325573 | Device for regulating discharge of sand from a vehicle sander | Rolf Baumgarth | 1982-04-20 |