Granted Patent
Utility
US 6,042,582 · App. 09/082,163
Instrumentation and method for facilitating insertion of spinal implant
Inventor:
Charles D. Ray
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: May 20, 1998
Inventor
Charles D. Ray
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.