Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5375452 | Method for determination of wheel speed | Reinhard Helldorfer, Gerhard Hettich, Matthias Gramann, Bernhard Topfer | 1994-12-27 |
| 5344222 | Method for controlling a braking operation including determining brake coefficient forces | Reinhard Helldorfer, Matthias Gramann, Bernhard Topfer | 1994-09-06 |