Granted Patent
Utility
US 5,904,686 · App. 08/975,436
Apparatus and method for preparing a site for an interbody fusion implant
Inventors:
James F. Zucherman, Ken Y. Hsu
Patented Case
View Patent ↗
Granted: May 18, 1999
Filed: Nov 20, 1997
Inventors
James F. Zucherman
Ken Y. Hsu
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.