Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938330 | Fluid-friction clutch with a compensating chamber for viscous fluid | Henning Wallentowitz, Karl-Heinz Buchle | 1990-07-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4938330 | Fluid-friction clutch with a compensating chamber for viscous fluid | Henning Wallentowitz, Karl-Heinz Buchle | 1990-07-03 |