Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5873168 | Shear knife with blade insert | David J. Markham | 1999-02-23 |
| 5688184 | Golf swing trainer | — | 1997-11-18 |
| 5426806 | Sports equipment grip cleaner | Christopher Johnson | 1995-06-27 |