Granted Patent
Utility
US 6,228,123 · App. 09/136,349
Variable modulus prosthetic hip stem
Inventor:
Michael M. Dezzani
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Aug 19, 1998
Inventor
Michael M. Dezzani
Assignee (at issue)
DePuy Orthopaedics, Inc.
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.