Granted Patent
Utility
US 6,701,642 · App. 10/156,578
Shoe sole with foot guidance
Inventor:
Gordon Hay
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: May 24, 2002
Inventor
Gordon Hay
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.