Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854270 | Intake system for internal combustion engines | Johann Wagner, Gunter K. Fraidl | 1989-08-08 |
| 4836162 | Engine brake of an internal combustion engine | Johann Aigner, Othmar Skatsche | 1989-06-06 |
| 4836171 | Injection-type internal combustion engine | Othmar Skatsche, Josef Rachholz | 1989-06-06 |