Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840211 | Pneumatic tire having asymmetrical groove cross section | — | 1989-06-20 |
SM
Shigeo Makino
Overall (1989): #57,425 of 140,708Top 45%
1
Patents 1989