Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6659146 | Motor vehicle tire with a tread profile for a superior grip on snow and ice | Helge Dörrie | 2003-12-09 |
| 6619352 | Tread profile of a snow tire | Wolfgang Peschel | 2003-09-16 |