Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057518 | Spanning connector for connecting a spinal fixation element and an offset bone anchor | William Frasier, Michael Mahoney, Christopher Ramsay, David Greg Anderson | 2011-11-15 |
| 7981031 | Surgical access devices and methods of minimally invasive surgery | William Frasier, Anne Drzyzga, Connie Marchek, Sara Dziedzic, Holly Brideau +1 more | 2011-07-19 |
| 7918792 | Surgical retractor for use with minimally invasive spinal stabilization systems and methods of minimally invasive surgery | Anne Drzyzga, William Frasier, Michael Zajack, Michael DeFusco, Connie Marchek +2 more | 2011-04-05 |