Issued Patents 2004
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D491517 | Tire Tread | Tadao Matsumoto, Saburo Miyabe, Helmut Wolfgang Fehl, Christian Windisch | 2004-06-15 |
| D491518 | Tire tread | Saburo Miyabe, Helmut Wolfgang Fehl, Christian Windisch, Wako Iwamura, Tadao Matsumoto | 2004-06-15 |