Granted Patent
Utility
US 5,485,519 · App. 08/067,517
Enhanced security for a secure token code
Inventor:
Kenneth P. Weiss
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: May 25, 1993
Inventor
Kenneth P. Weiss
Assignee (at issue)
Security Dynamics Technologies, 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.