Granted Patent
Utility
US 5,657,388 · App. 08/213,951
Method and apparatus for utilizing a token for resource access
Inventor:
Kenneth P. Weiss
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: Mar 16, 1994
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.