Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832587 | Plastic valve cover with integrated metal | Dipl. -Ing Torsten Wampula, Ralf Göttel | 2004-12-21 |
| 6712364 | Cylinder head gasket | Gunther Unseld, Stefan Obermaier | 2004-03-30 |
| 6676133 | Cylinder head gasket | Stefan Obermaier, Gunther Unseld | 2004-01-13 |