Granted Patent
Utility
US 6,425,523 · App. 09/762,658
Method for preventing unauthorized use of credit cards in remote payments and an optional supplemental-code card for use therein
Inventors:
Jonathan Shem-Ur, Anat Wolfson, Shaul Bar-Lev, Roni Sivan, Ehud Kaahtan
Patented Case
View Patent ↗
Granted: Jul 30, 2002
Filed: Apr 30, 2001
Inventors
Jonathan Shem-Ur
Anat Wolfson
Shaul Bar-Lev
Roni Sivan
Ehud Kaahtan
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.