Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4854362 | Pneumatic tire | Nathan A. Gammon | 1989-08-08 |
| 4722378 | Tire treads with convex elements | Thomas H. Wells, Peter Ross Shepler | 1988-02-02 |
| 4688617 | Pneumatic tire | William M. Hopkins, Perry W. Bell, Jon A. Gerspacher, Peter Ross Shepler, Thomas H. Wells | 1987-08-25 |