Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5512038 | Spinal retractor apparatus having a curved blade | Darrell D. O'Neal | 1996-04-30 |
| D363121 | Surgical retractor | Darrell D. O'Neal | 1995-10-10 |
| D353887 | Surgical retractor | Darrell D. O'Neal | 1994-12-27 |