Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4836161 | Direct fuel injection method for a diesel engine | Jorg Abthoff, Manfred Fortnagel, Immanuel Kutschera, Michael Kramer, Michael Kuhn | 1989-06-06 |
| 4811700 | Sound insulated vehicle drive unit | — | 1989-03-14 |