Granted Patent
Utility
US 6,178,438 · App. 08/993,433
Service management system for an advanced intelligent network
Inventors:
David A. Tschirhart, Keith Deacon, Marc Gauthier
Patented Case
View Patent ↗
Granted: Jan 23, 2001
Filed: Dec 18, 1997
Inventors
David A. Tschirhart
Keith Deacon
Marc Gauthier
Assignee (at issue)
Alcatel USA Sourcing, 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.