Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5649939 | Laparoscopic suture introducer | — | 1997-07-22 |
| 5573496 | Method of using a coil screw surgical retractor | William E. McPherson, William B. Saye | 1996-11-12 |
| 5437266 | Coil screw surgical retractor | William E. McPherson, William B. Saye | 1995-08-01 |