Granted Patent
Utility
US 5,936,752 · App. 08/778,120
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Inventors:
David J. Bishop, Joseph E. Ford, James A. Walker
Patented Case
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Granted: Aug 10, 1999
Filed: Jan 2, 1997
Inventors
David J. Bishop
Joseph E. Ford
James A. Walker
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.