Granted Patent
Utility
US 6,724,765 · App. 09/219,135
Telecommunication call processing and connection system architecture
Inventor:
Royal Dean Howell
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Dec 22, 1998
Inventor
Royal Dean Howell
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.