Granted Patent
Utility
US 6,814,734 · App. 10/052,096
Surgical instrumentation and method for forming a passage in bone having an enlarged cross-sectional portion
Inventors:
James L. Chappuis, Michael S. Veldman, Harold S. Taylor
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Jan 17, 2002
Inventors
James L. Chappuis
Michael S. Veldman
Harold S. Taylor
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.