Issued Patents 2020
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10828226 | Collapsible upright wheeled walker apparatus | Peter James Fellingham, Yichuan Pan, David A. Purcell | 2020-11-10 |
| 10588815 | Collapsible upright wheeled walker apparatus | Peter James Fellingham, Yichuan Pan, David A. Purcell | 2020-03-17 |