Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883031 | Internal combustion engine | Herbert Ampferer | 1989-11-28 |
| 4844032 | Venting arrangement with integrated oil separator | Winfried Disteirath | 1989-07-04 |
| 4823748 | Actuating arrangement | Herbert Ampferer | 1989-04-25 |