Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D399797 | Tire tread | Kurt Jon Bergstrom, David Earl Walker, Efimia Ellen Rohweder | 1998-10-20 |
| D365794 | Tire tread | Michael Joseph Weber, Charles Kenneth Schmalix, Nathan A. Gammon, Jeffrey Joe McElfresh | 1996-01-02 |
| D350716 | Tire tread | Nathan A. Gammon, Charles Kenneth Schmalix, Michael Joseph Weber | 1994-09-20 |
| 5323829 | Tire with carbon fiber reinforcement | Joseph Kevin Hubbell, David Lee Bair, Surendra K. Chawla, Mahmoud Cherif Assaad, Warren Lee Croyle +2 more | 1994-06-28 |
| 4688617 | Pneumatic tire | William M. Hopkins, Russell A. Carolla, Jon A. Gerspacher, Peter Ross Shepler, Thomas H. Wells | 1987-08-25 |