Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4969809 | Lubrication system for an eccentric bearing of a rotary piston internal-combustion engine | Dankwart Eiermann | 1990-11-13 |
| 4830591 | Lubrication system for a rotary-piston internal combustion engine | Dankwart Eiermann | 1989-05-16 |
| 4643438 | Axial oil seal of a rotary piston engine | Helmut Schonich | 1987-02-17 |