Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714474 | Tibial knee joint prosthesis with removable articulating surface insert | Walter P. Spires, Jr. | 1987-12-22 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4714474 | Tibial knee joint prosthesis with removable articulating surface insert | Walter P. Spires, Jr. | 1987-12-22 |