Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6260835 | Vibration damper | Gunther Handke, Robert Pradel | 2001-07-17 |
| 5794743 | Shock absorber or vibration damper | Robert Pradel | 1998-08-18 |
| 5641152 | Vibration damper and a bearing support for a vibration damper | Gunther Handke, Robert Pradel | 1997-06-24 |
| 5553713 | Vibration damper assembly having a spring support with adjustable spring plate, and a spring support with adjustable spring plate | Heinz Sydekum, Frank Hassmann | 1996-09-10 |