Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4832099 | Pneumatic radial tire with grooves of varying cross section | — | 1989-05-23 |
HM
Hiroyuki Matsumoto
Overall (1989): #104,842 of 140,708Top 75%
1
Patents 1989