Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6634223 | Method for measuring the tread depth of a tire | Frank Gauterin, Heiko Grunberg | 2003-10-21 |
| 5622575 | Pneumatic vehicle tire with a symmetrical carcass, symmetrical belt plies, and an asymmetrical tread | Jobst Meyer-Adlung, Wolfgang Spitz, Dieter Rohde, Siegfried Praetorius | 1997-04-22 |
| 4802948 | Apparatus for producing interior trim component for a motor vehicle | Willibald Zimmermann, Heinz Wessel | 1989-02-07 |
| 4781956 | Interior trim component for a motor vehicle | Willibald Zimmermann, Heinz Wessel | 1988-11-01 |