Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674295 | Prosthetic spinal disc nucleus | Charles D. Ray, Eugene A. Dickhudt, Philip J. Ledoux | 1997-10-07 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5674295 | Prosthetic spinal disc nucleus | Charles D. Ray, Eugene A. Dickhudt, Philip J. Ledoux | 1997-10-07 |