Granted Patent
Utility
US 5,862,224 · App. 08/731,488
Cryptographic process for protection against fraud
Inventors:
Henri Gilbert, David Arditti
Patented Case
View Patent ↗
Granted: Jan 19, 1999
Filed: Oct 16, 1996
Inventors
Henri Gilbert
David Arditti
Assignee (at issue)
FRANCE TELECOM
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.