Granted Patent
Utility
US 6,147,976 · App. 08/670,733
Fast network layer packet filter
Inventors:
Ian Michael Charles Shand, John Harper, Steven Richard Welch
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Jun 24, 1996
Inventors
Ian Michael Charles Shand
John Harper
Steven Richard Welch
Assignee (at issue)
Cabletron Systems, 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.