Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D396674 | Tire tread | Timothy J. Lassan | 1998-08-04 |
| D390513 | Tire tread | James G. Guspodin | 1998-02-10 |
| D384617 | Tire tread | John J. Regallis, Leonard F. Blankenship | 1997-10-07 |
| D384614 | Tire tread | Timothy J. Lassan | 1997-10-07 |
| D379790 | Tire tread | James G. Guspodin | 1997-06-10 |
| D379336 | Tire tread | Michael A. Mileski, Kashiwa Maki, Timothy J. Lassan | 1997-05-20 |
| D375709 | Tire tread | James G. Guspodin | 1996-11-19 |
| D374644 | Tire tread | James G. Guspodin | 1996-10-15 |
| D370442 | Tire tread | James G. Guspodin | 1996-06-04 |
| D370441 | Tire tread | James G. Guspodin | 1996-06-04 |
| 4800651 | Vehicle alignment system | — | 1989-01-31 |