Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6098590 | Cylinder head for internal combustion engines | Ulrich Engel, Bernward Vethacke, Hartmut Engels, Claus Mumm, Martin Mutterer | 2000-08-08 |
| 4836161 | Direct fuel injection method for a diesel engine | Jorg Abthoff, Manfred Fortnagel, Ludwig Fricker, Michael Kramer, Michael Kuhn | 1989-06-06 |