Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6305522 | Clutch disc | Jurgen Busse, Hans-Dieter Elison, Kraft Gunther, Steffen Lehmann, Willi Ruder +3 more | 2001-10-23 |
| 6279712 | Clutch disc | Jurgen Busse, Hans-Dieter Elison, Kraft Gunther, Steffen Lehmann, Willi Ruder +3 more | 2001-08-28 |
| 6217451 | Torsional vibration damper | Ad Kooy, Hartmut Mende, Johann Jackel | 2001-04-17 |
| 5908095 | Apparatus for damping torsional vibrations | Johann Jackel, Hartmut Mende | 1999-06-01 |