Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7726451 | Vibration damper with amplitude-selective damping force | Thomas Hammer, Michael Doppernas, Manfred Denner | 2010-06-01 |
| 7523818 | Vibration damper with amplitude-selective damping force | Thomas Hammer, Michael Doppernas, Manfred Denner | 2009-04-28 |