Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4861116 | Anti-skid and drive slip control system | Gerhard Wetzel | 1989-08-29 |
| 4800995 | Apparatus for damping courses of motion | Michael Friedow | 1989-01-31 |
| 4798421 | Plunger system for modulating a brake pressure | Michael Tischer | 1989-01-17 |