Granted Patent
Utility
US 6,119,000 · App. 08/851,041
Method and apparatus for tracking identity-code changes in a communications system
Inventors:
David Stephenson, David Bonner, Jan Schiefer, Steven Nicholas Bennett
Patented Case
View Patent ↗
Granted: Sep 12, 2000
Filed: May 5, 1997
Inventors
David Stephenson
David Bonner
Jan Schiefer
Steven Nicholas Bennett
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.