Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4887917 | Wheel mount and method of connecting the parts of a wheel mount | Heinrich Hofmann | 1989-12-19 |
| 4812058 | Cage for tapered roller bearings | Heinrich Hofmann | 1989-03-14 |
| 4804233 | Double-row anti-friction bearing, particulary for wheels of automotive vehicles | Heinrich Hofmann | 1989-02-14 |