Issued Patents 2003
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543798 | Anti-tip caster suspension for a wheelchair | Walter E. Schaffner, Walter Watkins | 2003-04-08 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6543798 | Anti-tip caster suspension for a wheelchair | Walter E. Schaffner, Walter Watkins | 2003-04-08 |