Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5170756 | Arrangement for changing the relative rotating position of shafts in an internal-combustion engine | — | 1992-12-15 |
| 5138985 | Arrangement for changing the valve timing of an internal-combustion engine | Willi Schultz, Herbert Ampferer | 1992-08-18 |
| 4714147 | Double clutch for a motor vehicle transmission | Richard Knoblauch | 1987-12-22 |
| 4558607 | Gear-type change-speed transmission for motor vehicles | — | 1985-12-17 |