Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D923556 | Tire | Ben F. Holt, Richard Hogg, David A. Dahl | 2021-06-29 |
| D923557 | Tire | Ben F. Holt, Richard Hogg, David A. Dahl | 2021-06-29 |
| D882499 | Tire tread | Chris Smith, Richard Hogg, David A. Dahl, Ben F. Holt | 2020-04-28 |
| D793951 | Tire tread | David A. Dahl, Freddy Jianbao Li, Bruce Li Wang | 2017-08-08 |
| D783511 | Tire tread | Ben F. Holt | 2017-04-11 |