Granted Patent
Utility
US 5,722,893 · App. 08/543,908
Card dispensing shoe with scanner
Inventors:
Otho Dale Hill, Louis W. DesPrez
Patented Case
View Patent ↗
Granted: Mar 3, 1998
Filed: Oct 17, 1995
Inventors
Otho Dale Hill
Louis W. DesPrez
Assignee (at issue)
Smart Shoes, 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.