Granted Patent
Utility
US 6,236,653 · App. 08/772,711
Local telephone service over a cable network using packet voice
Inventors:
Robert William Dalton, Martin Joel Glapa, Krishna Gudapati
Patented Case
View Patent ↗
Granted: May 22, 2001
Filed: Dec 23, 1996
Inventors
Robert William Dalton
Martin Joel Glapa
Krishna Gudapati
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.