Granted Patent
Utility
US 6,517,544 · App. 09/663,311
Device and method for preparing a space between adjacent vertebrae to receive an insert
Inventor:
Gary K. Michelson
Patented Case
View Patent ↗
Granted: Feb 11, 2003
Filed: Sep 15, 2000
Inventor
Gary K. Michelson
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.