Granted Patent
Utility
US 5,889,958 · App. 08/771,637
Network access control system and process
Inventor:
Steven M. Willens
Patented Case
View Patent ↗
Granted: Mar 30, 1999
Filed: Dec 20, 1996
Inventor
Steven M. Willens
Assignee (at issue)
Livingston Enterprises LLC
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.