Granted Patent
Utility
US 6,418,205 · App. 09/073,885
Call and circuit state machine for a transaction control layer of a communications signaling gateway
Inventors:
James A. Capers, John Macedo, David E. Phelps, Shannan E. Trousdale
Patented Case
View Patent ↗
Granted: Jul 9, 2002
Filed: May 7, 1998
Inventors
James A. Capers
John Macedo
David E. Phelps
Shannan E. Trousdale
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.