Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7902285 | Rubber mixture and tires | Joachim Dumke, Annette Stark, Christian Struebel, Hajo Weinreich | 2011-03-08 |
| 7411018 | Rubber mixture and tire | Andrea Appel, Fabian Dettmer, Juergen Wagemann | 2008-08-12 |