Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850246 | Interaxle differential for motor vehicles | Eberhard Wilks | 1989-07-25 |
| 4842111 | Drive system for motor vehicles having driven front and rear axles | Peter Resele | 1989-06-27 |