Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6007061 | Upper MacPherson strut bearing for wheel suspensions in a motor vehicle | Helmut Kammel, Hubert Siemer | 1999-12-28 |
| 5664650 | Upper MacPherson strut step bearing for wheel suspensions in motor vehicles | Helmut Kammel, Hubert Siemer | 1997-09-09 |