Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4865149 | Rack and pinion steering gear | Wolfgang Rohrbach, Georg Grafenstein, Wilhelm Beer, Burghardt Kiy | 1989-09-12 |
| 4827788 | Rack and pinion steering gear | Wilhelm Beer | 1989-05-09 |