Granted Patent
Utility
US 6,128,298 · App. 08/842,328
Internet protocol filter
Inventors:
Bruce Anthony Wootton, William G. Colvin
Patented Case
View Patent ↗
Granted: Oct 3, 2000
Filed: Apr 24, 1997
Inventors
Bruce Anthony Wootton
William G. Colvin
Assignee (at issue)
Nortel Networks Limited
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.