Granted Patent
Utility
US 4,850,877 · App. 07/005,415
Method of determining stress effects in components of the human knee and anthropomorphic leg device therefor
Inventors:
Jeffery T. Mason, Patrick W. Cawley, Bradley R. Mason
Patented Case
View Patent ↗
Granted: Jul 25, 1989
Filed: Jan 20, 1987
Inventors
Jeffery T. Mason
Patrick W. Cawley
Bradley R. Mason
Assignee (at issue)
Don Joy, 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.