Granted Patent
Utility
US 6,113,602 · App. 09/276,982
Posterior spinal instrument guide and method
Inventor:
Paul M. Sand
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Mar 26, 1999
Inventor
Paul M. Sand
Assignee (at issue)
Sulzer Spine-Tech Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.