Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5174151 | Apparatus for measuring ground-contacting portion of tire tread | Zempachiro Adachi | 1992-12-29 |
| 5172590 | Apparatus for measuring the ground contacting portion of tire tread | Zempachiro Adachi | 1992-12-22 |