Granted Patent
Utility
US 6,368,319 · App. 09/564,850
Pedicle screw
Inventor:
Bernd Schaefer
Patented Case
View Patent ↗
Granted: Apr 9, 2002
Filed: May 4, 2000
Inventor
Bernd Schaefer
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.