Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691753 | Pneumatic tire including circumferential grooves and slanting grooves | Katja Hanebuth, Markus Metz, Frank Jenne, Tanja Wackerhage | 2004-02-17 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6691753 | Pneumatic tire including circumferential grooves and slanting grooves | Katja Hanebuth, Markus Metz, Frank Jenne, Tanja Wackerhage | 2004-02-17 |