Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8869764 | Valve drive for an internal combustion engine | Juergen Kretschmer, Wolfgang Christgen | 2014-10-28 |
| 8813705 | Hydraulic support element | Wolfgang Christgen, Juergen Kretschmer | 2014-08-26 |