Granted Patent
Utility
US 6,108,408 · App. 08/903,372
Apparatus and method for routing a dedicated number through alternate telephone carriers
Inventors:
William Plunkett, Laura Culli, M. Lourdes Coranado, David Hickman, Bruce A. Nance, John Simino, Mark Tamasi
Patented Case
View Patent ↗
Granted: Aug 22, 2000
Filed: Jul 30, 1997
Inventors
William Plunkett
Laura Culli
M. Lourdes Coranado
David Hickman
Bruce A. Nance
John Simino
Mark Tamasi
Assignee (at issue)
SBC Technology Resources Inc
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.