Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869764 | Valve drive for an internal combustion engine | Wolfgang Christgen, Melanie Stark | 2014-10-28 |
| 8813705 | Hydraulic support element | Wolfgang Christgen, Melanie Stark | 2014-08-26 |
| 6575494 | Active head restraint with gas bag module | Alexander Heilig, Lothar Zink, Andreas Loos, Alfred Scholl, John Joseph Bleau | 2003-06-10 |