Granted Patent
Utility
US 5,315,580 · App. 07/749,580
Network monitoring device and system
Inventor:
Peter Phaal
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Aug 26, 1991
Inventor
Peter Phaal
Assignee (at issue)
Hewlett-Packard Company, L.P.
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.