Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5697889 | Surgical instruments useful for endoscopic spinal procedures | Sherman Stein, David T. Green, Salvatore Castro, Carlo A. Mililli, Keith Ratcliff | 1997-12-16 |
| 5690606 | Tisssue spreading surgical instrument | — | 1997-11-25 |
| 5599279 | Surgical instruments and method useful for endoscopic spinal procedures | Sherman Stein, David T. Green, Salvatore Castro, Carlo A. Mililli, Keith Ratcliff | 1997-02-04 |