Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7377359 | Device for modulating noise in a motor vehicle | Marcus Hofmann, Roudolf Starobinski | 2008-05-27 |
| 6912843 | Exhaust system for a multi-cylinder internal combustion engine | Jochen Hufendiek | 2005-07-05 |