Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031680 | Pneumatic radial tire tread with rectangular blocks having side grooves | Akira Kajikawa, Kenji Saito | 1991-07-16 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5031680 | Pneumatic radial tire tread with rectangular blocks having side grooves | Akira Kajikawa, Kenji Saito | 1991-07-16 |