Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7100936 | Universal motor vehicle trailer hitch | John C. Cheng, Sam Fu | 2006-09-05 |
| 5823517 | Adjustable strut for motor vehicles | Werner Busch, Gunter Nagel | 1998-10-20 |
| 5624010 | Regulable shock-absorption valve system for the dashpot in a motor vehicle | Klaus Schmidt, Hans Scheerer, Andreas Opara | 1997-04-29 |
| 5540309 | Hydraulic cylinder sealing structure | Klaus Schmidt, Hans Scheerer, Andreas Opara | 1996-07-30 |