Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7255334 | Air suspension piston | Franz Steimmel, Michael Opitz, Frank Wahner | 2007-08-14 |
| 5857916 | Motor vehicle drive shaft comprising a straight seam welded pipe of an aluminum alloy | Heinz Schoch, Klaus-Georg Bottger, Jurgen Westhof | 1999-01-12 |