Granted Patent
Utility
US 5,544,246 · App. 08/122,631
Smartcard adapted for a plurality of service providers and for remote installation of same
Inventors:
Richard Mandelbaum, Stephen Sherman, Diane R. Wetherington
Patented Case
View Patent ↗
Granted: Aug 6, 1996
Filed: Sep 17, 1993
Inventors
Richard Mandelbaum
Stephen Sherman
Diane R. Wetherington
Assignee (at issue)
AT&T CORP.
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.