Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D449257 | Tire tread | Adrian Thomas O'Neill, Paul Bryson Allen | 2001-10-16 |
| D391205 | Tire tread | Efimia Ellen Rohweder, Michael A. Kolowski, Stephanie Carol Brown, Frederick W. Miller | 1998-02-24 |
| D387708 | Tire tread | Efimia Ellen Rohweder, Michael A. Kolowski, Stephanie Carol Brown, Frederick W. Miller | 1997-12-16 |
| D367450 | Tire tread | Michael A. Kolowski, Frederick W. Miller | 1996-02-27 |
| D323800 | Tire tread and buttress | Robert L. Crump | 1992-02-11 |