Granted Patent
Utility
US 5,796,835 · App. 08/852,567
Method and system for writing information in a data carrier making it possible to later certify the originality of this information
Inventor:
Charles Saada
Patented Case
View Patent ↗
Granted: Aug 18, 1998
Filed: May 7, 1997
Inventor
Charles Saada
Assignee (at issue)
Bull CP8
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.