Granted Patent
Utility
US 6,540,741 · App. 09/412,103
Systems and methods for electrosurgical spine surgery
Inventors:
Ronald A. Underwood, Terry S. Davison, Hira V. Thapliyal, Philip E. Eggers
Patented Case
View Patent ↗
Granted: Apr 1, 2003
Filed: Oct 4, 1999
Inventors
Ronald A. Underwood
Terry S. Davison
Hira V. Thapliyal
Philip E. Eggers
Assignee (at issue)
ArthroCare Corporation
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.