Granted Patent
Utility
US 6,500,173 · App. 09/860,662
Methods for electrosurgical spine surgery
Inventors:
Ronald A. Underwood, Terry S. Davison, Hira V. Thapliyal, Philip E. Eggers
Patented Case
View Patent ↗
Granted: Dec 31, 2002
Filed: May 18, 2001
Inventors
Ronald A. Underwood
Terry S. Davison
Hira V. Thapliyal
Philip E. Eggers
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.