Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5899869 | Orthopedic appliance with weight activated brake and variable extension assist | Ronald Hallam, Albert Williams | 1999-05-04 |
| 5806548 | Quadcane with adjustable stance | Jeffery P. Goldstein, Albert Williams | 1998-09-15 |