Granted Patent
Utility
US 5,521,902 · App. 08/341,070
Location identification in a communications signalling network
Inventor:
Toby Humfrey Ferguson
Patented Case
View Patent ↗
Granted: May 28, 1996
Filed: Nov 17, 1994
Inventor
Toby Humfrey Ferguson
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.