Granted Patent
Utility
US 6,724,876 · App. 09/798,085
Method and apparatus for effecting telecommunications service features using call control information extracted from a bearer channel in a telecommunications network
Inventors:
L. Lloyd Williams, Alexander Markman, David Johnston
Patented Case
View Patent ↗
Granted: Apr 20, 2004
Filed: Mar 2, 2001
Inventors
L. Lloyd Williams
Alexander Markman
David Johnston
Assignee (at issue)
RevD Networks, 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.