Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7735835 | Sealing arrangement | Wilhelm Kullen, Wolfgang Gebhardt, Hansjürgen Mattheis, Martin Kehr | 2010-06-15 |
| 6974137 | Flat gasket, in particular exhaust manifold gasket, and assembly accommodating such a gasket | Ulrich Beutter, Wilhelm Kullen, Uwe-Georg Klump | 2005-12-13 |