Granted Patent
Utility
US 6,690,656 · App. 09/276,290
System for managing telecommunications
Inventors:
Joseph Michael Christie, Bobby Chand Bahl, Albert Daniel DuRee, Michael Joseph Gardner, Daniel Charles Sbisa, William L. Wiley
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Mar 25, 1999
Inventors
Joseph Michael Christie
Bobby Chand Bahl
Albert Daniel DuRee
Michael Joseph Gardner
Daniel Charles Sbisa
William L. Wiley
Assignee (at issue)
SPRINT COMMUNICATIONS 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.