Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7927359 | Polyaxial screw | Frank T. Trautwein | 2011-04-19 |
| 7922750 | Interlaminar-interspinous vertebral stabilization system | Frank T. Trautwein, Ralf Riesinger, Marc R. Viscogliosi | 2011-04-12 |