Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254763 | Surgical retractor assembly | John R. Bookwalter, Roy W. Downing, George W. Guay | 1981-03-10 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254763 | Surgical retractor assembly | John R. Bookwalter, Roy W. Downing, George W. Guay | 1981-03-10 |