Granted Patent
Utility
US 6,669,734 · App. 09/976,567
Femur shaft prosthesis with a proximal centering apparatus
Inventors:
Lorenzo Spotorno, Werner Güttinger
Patented Case
View Patent ↗
Granted: Dec 30, 2003
Filed: Oct 11, 2001
Inventors
Lorenzo Spotorno
Werner Güttinger
Assignee (at issue)
Sulzer Orthopedics Ltd.
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.