Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11345231 | Valve system for a fuel tank | Helmut Auernhammer, Erich Dörfler, Lawrence Mukaronda | 2022-05-31 |
| 11229292 | Air cushion device and seat with the air cushion device | Erich Dörfler | 2022-01-25 |