Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4858998 | Wheel supporting assembly | Hans-Heinrich Welschof | 1989-08-22 |
| 4840087 | Differential gear assembly including at least one integrated constant velocity universal joint | Hans-Heinrich Welschof | 1989-06-20 |
| 4835829 | Hub assembly | Hans-Heinrich Welschof, Norbert Hofmann | 1989-06-06 |