Granted Patent
Utility
US 5,989,259 · App. 09/139,635
Femoral calcar stop for use with femoral stem inserter
Inventors:
Brad L. Penenberg, Anthony P. Sanders, Patricia Katzman
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Aug 25, 1998
Inventors
Brad L. Penenberg
Anthony P. Sanders
Patricia Katzman
Assignee (at issue)
Johnson & Johnson Professional, 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.