Granted Patent
Utility
US 5,932,865 · App. 08/762,978
Anti-counterfeit validation method for electronic cash cards employing an optical memory stripe
Inventor:
Jerome Drexler
Patented Case
View Patent ↗
Granted: Aug 3, 1999
Filed: Dec 9, 1996
Inventor
Jerome Drexler
Assignee (at issue)
Drexler Technology Corporation
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.