Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5680662 | Cushioning mattress for reducing shear and friction | William Purdy, Roy E. Reed | 1997-10-28 |
| 5489259 | Pressure-normalizing single-chambered static pressure device for supporting and protecting a body extremity | Roy E. Reed, William Purdy, Jeffrey B. Quillen | 1996-02-06 |