Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5297452 | Transmission unit for a motor vehicle having two powered axles | Roland Gruss, Klaus Wiese | 1994-03-29 |
| 4768281 | Clutch discs for a fluid friction clutch and process for making same | — | 1988-09-06 |
| 4736828 | Clutch discs for a fluid friction clutch and process for making same | — | 1988-04-12 |
| 4697621 | Method and device for filling a fluid friction clutch | Ulrich Zahn | 1987-10-06 |