Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6699344 | Process for producing a vehicular pneumatic tire | Horst Sergel, Heinrich Huinink | 2004-03-02 |
| 5014759 | Vehicle wheel having valve means to prevent misuse | Carsten Boltze, Karl-Heinz Kramer, Heinrich Meier | 1991-05-14 |