Granted Patent
Utility
US 4,463,751 · App. 06/453,716
Stabilizing knee hinge
Inventor:
Gary R. Bledsoe
Patented Case
View Patent ↗
Granted: Aug 7, 1984
Filed: Dec 27, 1982
Inventor
Gary R. Bledsoe
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.