Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4398899 | Variable speed pulley | Thomas D. Wood | 1983-08-16 |
| 4391595 | Variable speed, multiple component pulley | Thomas D. Wood, Larry L. Overly | 1983-07-05 |
| 4340134 | Ball shift mechanism | — | 1982-07-20 |