Granted Patent
Utility
US 4,367,733 · App. 06/172,073
Ankle support
Inventor:
Lawrence T. Stromgren
Patented Case
View Patent ↗
Granted: Jan 11, 1983
Filed: Jul 24, 1980
Inventor
Lawrence T. Stromgren
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.