Granted Patent
Utility
US 5,972,032 · App. 08/985,637
Acetabular shell having flared rim and fixation spikes
Inventors:
Jorge Lopez, Aaron A. Hofmann
Patented Case
View Patent ↗
Granted: Oct 26, 1999
Filed: Dec 5, 1997
Inventors
Jorge Lopez
Aaron A. Hofmann
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.