Issued Patents All Time
Showing 26–50 of 67 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7905905 | Spinal mobility preservation apparatus | Andrew H. Cragg, Robert L. Assell, Steven D. Alnsworth, Bradley J. Wessman | 2011-03-15 |
| 7905908 | Spinal mobility preservation method | Andrew H. Cragg, Robert L. Assell, Steven D. Ainsworth, Bradley J. Wessman | 2011-03-15 |
| 7799033 | Access kits for enabling axial access and procedures in the spine | Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg | 2010-09-21 |
| 7799032 | Guide pin introducer for guiding instrumentation through soft tissue to a point on the spine | Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg | 2010-09-21 |
| 7776068 | Spinal motion preservation assemblies | Stephen D. Ainsworth, Brandon Arthurs, Robert L. Assell, Bradley J. Wessman | 2010-08-17 |
| 7776042 | Methods and apparatus for provision of therapy to adjacent motion segments | Stephen D. Ainsworth, Robert L. Assell, Andrew H. Cragg, Tawney Schwarz, Bradley J. Wessman | 2010-08-17 |
| 7763025 | Spinal fusion kit for guiding instrumentation through soft tissue to a point on the spine | Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg | 2010-07-27 |
| 7740633 | Guide pin for guiding instrumentation along a soft tissue tract to a point on the spine | Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg | 2010-06-22 |
| 7717958 | Prosthetic nucleus apparatus | Andrew H. Cragg, Robert L. Assell, Steven D. Ainsworth, Bradley J. Wessman | 2010-05-18 |
| 7717919 | Application of therapy aligned to an internal target path | Robert L. Assell | 2010-05-18 |
| 7662173 | Spinal mobility preservation apparatus | Andrew H. Cragg, Robert L. Assell, Steven D. Ainsworth, Bradley J. Wessman | 2010-02-16 |
| 7632274 | Thin cutter blades with retaining film for preparing intervertebral disc spaces | Robert L. Assell, T. Matthew Womble | 2009-12-15 |
| 7608077 | Method and apparatus for spinal distraction and fusion | Andrew H. Cragg, Robert L. Assell | 2009-10-27 |
| 7601171 | Spinal motion preservation assemblies | Stephen D. Ainsworth, Robert L. Assell, Bradley J. Wessman | 2009-10-13 |
| 7588574 | Kits for enabling axial access and procedures in the spine | Robert L. Assell, Stephen D. Ainsworth, Andrew H. Cragg | 2009-09-15 |
| 7547324 | Spinal mobility preservation apparatus having an expandable membrane | Andrew H. Cragg, Robert L. Assell, Stephen D. Ainsworth, Bradley J. Wessman | 2009-06-16 |
| 7500977 | Method and apparatus for manipulating material in the spine | Robert L. Assell, Steven D. Ainsworth, Andrew Cragg | 2009-03-10 |
| 7491236 | Dual anchor prosthetic nucleus apparatus | Andrew H. Cragg, Robert L. Assell, Steven D. Ainsworth, Bradley J. Wessman | 2009-02-17 |
| 7473256 | Method and apparatus for spinal distraction | Robert L. Assell, Steven D. Ainsworth, Andrew Cragg | 2009-01-06 |
| 6921403 | Method and apparatus for spinal distraction and fusion | Andrew H. Cragg, Robert L. Assell | 2005-07-26 |
| 5824093 | Prosthetic spinal disc nucleus | Charles D. Ray, Robert L. Assell | 1998-10-20 |
| 5674295 | Prosthetic spinal disc nucleus | Charles D. Ray, Philip J. Ledoux, Beth A. Frutiger | 1997-10-07 |
| 5665111 | Method for anchoring a surgical suture to bone | Charles D. Ray | 1997-09-09 |
| 5649945 | Spinal anulus cutter | Charles D. Ray | 1997-07-22 |
| 5562736 | Method for surgical implantation of a prosthetic spinal disc nucleus | Charles D. Ray | 1996-10-08 |