Granted Patent
Utility
US 5,644,638 · App. 08/382,604
Process for protecting components of smart or chip cards from fraudulent use
Inventor:
Fabien Thiriet
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Feb 2, 1995
Inventor
Fabien Thiriet
Assignee (at issue)
Solaic
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.