Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645658 | Tire with two treads having between treads a reinforcement ring whose load-elongation curve is non-linear | Francois Gerard | 1997-07-08 |
| 5421390 | Tire with two treads and groove of adapted shape | Francois Gerard | 1995-06-06 |