Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6540785 | Artificial intervertebral joint permitting translational and rotational motion | Steven S. Gill, Colin Walker, Larry Gause | 2003-04-01 |
| 6402751 | Device for linking adjacent rods in spinal instrumentation | Denis S. Drummond, David L. Brumfield, M. Neil Anderson, Michael C. Sherman | 2002-06-11 |
| 6136003 | Device for linking adjacent rods in spinal instrumentation | Denis S. Drummond, David L. Brumfield, M. Neil Anderson, Michael C. Sherman | 2000-10-24 |
| 6113600 | Device for linking adjacent rods in spinal instrumentation | Denis S. Drummond, David L. Brumfield, M. Neil Anderson, Michael C. Sherman | 2000-09-05 |
| 5989289 | Bone grafts | Bradley J. Coates, Jeffrey Poyner | 1999-11-23 |