Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4860848 | Apparatus for actuating the throttle valve of an internal combustion engine | Guenter Barth, Alwin Stegmaier | 1989-08-29 |
| 4862368 | Method for adjusting optimal wheel slip | Friedrich Kost, Gerhard Heess, Gerhard Kreisselmeier | 1989-08-29 |
| 4846532 | Anti-lock brake system with traction control | Michael Friedow | 1989-07-11 |
| 4824187 | Pressure booster and modulator | Gerhard Heess | 1989-04-25 |