Granted Patent
Utility
US 5,809,140 · App. 08/729,917
Session key distribution using smart cards
Inventors:
Aviel D. Rubin, Victor Shoup
Patented Case
View Patent ↗
Granted: Sep 15, 1998
Filed: Oct 15, 1996
Inventors
Aviel D. Rubin
Victor Shoup
Assignee (at issue)
Bell Communications Research, Inc.
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.