Granted Patent
Utility
US 6,711,249 · App. 09/780,530
Common gateway to call control systems
Inventors:
Terry R. Weissman, James R. Everingham
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Feb 8, 2001
Inventors
Terry R. Weissman
James R. Everingham
Assignee (at issue)
TellMe 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.