Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5965661 | Unvulcanized rubber mixture for treads of vehicle pneumatic tires | Andre du Bois, Joachim Dumke, Anja Schneider | 1999-10-12 |
| 5852079 | Rubber composition for tires | — | 1998-12-22 |