Granted Patent
Utility
US 5,903,638 · App. 08/736,644
Telecommunications system for international call routing using traffic allocation
Inventors:
William G. Welter, Jr., Louis G. Gottlieb, Emery J. Reistetter, Eva Marcus-Kantor, Ronald J. Settele
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: Oct 25, 1996
Inventors
William G. Welter, Jr.
Louis G. Gottlieb
Emery J. Reistetter
Eva Marcus-Kantor
Ronald J. Settele
Assignee (at issue)
MCI Communications Corporation
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.