Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231067 | Motorized standing wheelchair | Jay A. Johnson, Qinghuan Yu | 2001-05-15 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6231067 | Motorized standing wheelchair | Jay A. Johnson, Qinghuan Yu | 2001-05-15 |