Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5685020 | Bicycle helmet with chin guard and easy-adjust strap system | William Powell | 1997-11-11 |
| 4771776 | Dilatation catheter with angled balloon and method | Andree L. Barker | 1988-09-20 |