Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10480450 | Internal combustion engine with partial piston twisting | Andreas Boehmer, Werner Lemme | 2019-11-19 |
| 9695775 | Internal combustion engine having a spacer sleeve with a centering device | Jürgen Darscheidt, Wilhelm Feuser, Robert Schumacher | 2017-07-04 |
| 4716868 | Hand starter crank with integrated safety device | — | 1988-01-05 |