Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4876998 | Crankcase for internal combustion engines | — | 1989-10-31 |
| 4813387 | Internal combustion, reciprocating piston engine | Kurt Prevedel, Hans Oberth | 1989-03-21 |
| 4694786 | One-cylinder, two-stroke internal combustion engine with crankcase scavenging | Andreas Bilek | 1987-09-22 |
| 4643135 | Internal combustion engine | — | 1987-02-17 |
| 4624227 | Four-stroke internal combustion engine with a lubricating oil pump | — | 1986-11-25 |