Granted Patent
Utility
US 4,656,342 · App. 06/820,586
Method and apparatus for authorizing the holder of a portable object such as a card to gain access to at least one service provided by at least one authorizing entity
Inventor:
Michel Ugon
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Jan 21, 1986
Inventor
Michel Ugon
Assignee (at issue)
CII Honeywell Bull (Societe Anonyme)
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.