Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6428029 | Wheelchair frame | — | 2002-08-06 |
| 5711580 | Extendible and elevating footrest for wheelchair | David Millard Christy | 1998-01-27 |
| 5154438 | Tilting and folding wheelchair | — | 1992-10-13 |