Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6797898 | Switching device | Klaus Hirschfeld, Diethelm Ladwig | 2004-09-28 |
| 5813699 | Steering device for motor vehicles | Harald Donner, Meinolf Kathol, Jorg Welschholz | 1998-09-29 |