Granted Patent
Utility
US 5,683,472 · App. 08/581,043
Femoral stem attachment for a modular knee prosthesis
Inventors:
Michael J. O'Neil, John Slamin
Patented Case
View Patent ↗
Granted: Nov 4, 1997
Filed: Dec 29, 1995
Inventors
Michael J. O'Neil
John Slamin
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.