Granted Patent
Utility
US 5,782,921 · App. 08/685,289
Modular knee prosthesis
Inventors:
Dennis Colleran, Stefan Gabriel
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Jul 23, 1996
Inventors
Dennis Colleran
Stefan Gabriel
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.