Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6640916 | Mid-wheel drive power wheelchair | James P. Mulhern, Stephen J. Antonishak | 2003-11-04 |
| 6543798 | Anti-tip caster suspension for a wheelchair | Walter Watkins, Gerald White | 2003-04-08 |