Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D323802 | Motorcycle tire | Michael Jackson, David R. Watkins | 1992-02-11 |
| 4986326 | Radial motorcycle tire | David R. Watkins, Peter Ingley | 1991-01-22 |
| D307120 | Vehicle tire | Peter Ingley, David Rawlins | 1990-04-10 |
| 4790363 | Radial motorcycle tires | Peter Ingley, David R. Watkins | 1988-12-13 |
| 4776378 | Pneumatic tire and wheelrim for a motorcycle | Peter Ingley, David R. Watkins | 1988-10-11 |