Granted Patent
Utility
US 5,556,433 · App. 08/347,828
Modular knee prosthesis
Inventors:
Stefan Gabriel, David G. Sheehan
Patented Case
View Patent ↗
Granted: Sep 17, 1996
Filed: Dec 1, 1994
Inventors
Stefan Gabriel
David G. Sheehan
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.