Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8707918 | Valve train of a combustion piston engine | Frank Richter, Reiner Keller, Markus Wannags | 2014-04-29 |
| 8434439 | Clutch or brake in or at a gearbox | Frank Richter, Konrad Thoma | 2013-05-07 |