Granted Patent
Utility
US 5,741,253 · App. 07/968,240
Method for inserting spinal implants
Inventor:
Gary K. Michelson
Patented Case
View Patent ↗
Granted: Apr 21, 1998
Filed: Oct 29, 1992
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.