Granted Patent
Utility
US 6,563,918 · App. 09/026,906
Telecommunications system architecture for connecting a call
Inventors:
Tracy Lee Nelson, William L. Wiley, Royal Dean Howell, Michael Joseph Gardner, Albert Daniel DuRee
Patented Case
View Patent ↗
Granted: May 13, 2003
Filed: Feb 20, 1998
Inventors
Tracy Lee Nelson
William L. Wiley
Royal Dean Howell
Michael Joseph Gardner
Albert Daniel DuRee
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.