Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6257997 | Adjusting stiffness and flexibility in sports equipment | William C. Doble, Robert Walsh, Peter B. Tarlton | 2001-07-10 |
| 6113508 | Adjusting stiffness and flexibility in sports equipment | Michael Locarno, Robert Walsh, William C. Doble | 2000-09-05 |