Granted Patent
Utility
US 6,707,901 · App. 09/472,228
Subscriber profile extension (SPEX)
Inventors:
James A. Hodges, Jackson K. Chan, John Visser
Patented Case
View Patent ↗
Granted: Mar 16, 2004
Filed: Dec 27, 1999
Inventors
James A. Hodges
Jackson K. Chan
John Visser
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.