Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D365794 | Tire tread | Michael Joseph Weber, Charles Kenneth Schmalix, Jeffrey Joe McElfresh, Perry W. Bell | 1996-01-02 |
| D350716 | Tire tread | Perry W. Bell, Charles Kenneth Schmalix, Michael Joseph Weber | 1994-09-20 |
| 5002109 | Symmetrical and directional pneumatic tire tread | Peter Ross Shepler, William M. Hopkins, James Earl Koerner, Charles Kenneth Schmalix | 1991-03-26 |
| 4984616 | Front and rear tire tread patterns in a four-wheeled tire/vehicle system | Peter Ross Shepler, William M. Hopkins, James Earl Koerner, Charles K. Schmaltx | 1991-01-15 |
| 4953604 | Tread for a unidirectional pneumatic tire | Peter Ross Shepler, William M. Hopkins, James Earl Koerner, Charles Kenneth Schmalix | 1990-09-04 |
| 4854362 | Pneumatic tire | Russell A. Carolla | 1989-08-08 |