Granted Patent
Utility
US 4,446,856 · App. 06/331,913
Orthotic device
Inventor:
R. Paul Jordan
Patented Case
View Patent ↗
Granted: May 8, 1984
Filed: Dec 18, 1981
Inventor
R. Paul Jordan
Assignee (at issue)
Langer Biomechanics Group, 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.