Issued Patents 1997
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688344 | Heavy duty radial tire with at least four steel cord layers | Kazuhito Numata | 1997-11-18 |
| 5637163 | Heavy duty pneumatic radial tires with steel cord belt layers | — | 1997-06-10 |