Granted Patent
Utility
US 6,764,491 · App. 09/858,197
Devices and techniques for a posterior lateral disc space approach
Inventors:
George Frey, John L. White, Mingyan Liu, Loic Josse
Patented Case
View Patent ↗
Granted: Jul 20, 2004
Filed: May 15, 2001
Inventors
George Frey
John L. White
Mingyan Liu
Loic Josse
Assignee (at issue)
SDGI, LLC
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.