Granted Patent
Utility
US 5,577,209 · App. 08/270,398
Apparatus and method for providing multi-level security for communication among computers and terminals on a network
Inventors:
John M. Boyle, Eric S. Maiwald, David W. Snow
Patented Case
View Patent ↗
Granted: Nov 19, 1996
Filed: Jul 5, 1994
Inventors
John M. Boyle
Eric S. Maiwald
David W. Snow
Assignee (at issue)
ITT Corporation
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.