Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7303203 | Ergonomic wheelchair hand rim | William Mark Richter, Jamie Hameed Noon | 2007-12-04 |
| 6213558 | Pelvic stabilization device | William Mark Richter, Jamie Hameed Noon | 2001-04-10 |
| 6120047 | Low impact hand rim apparatus for hand-propelled wheelchair | W. Mark Richter | 2000-09-19 |
| 5547251 | Back support adjusting apparatus for chair with backrest flexible upholstery | — | 1996-08-20 |