Granted Patent
Utility
US 5,857,142 · App. 08/572,301
Architecture and method for providing interactive broadband products and services using existing telephone plant
Inventors:
K.Y. Lin, Louis A. Cox, Jr., James H. Starr, Margarete A. Ralston, Stephen L. Bulick, Gregory J. Beveridge
Patented Case
View Patent ↗
Granted: Jan 5, 1999
Filed: Dec 14, 1995
Inventors
K.Y. Lin
Louis A. Cox, Jr.
James H. Starr
Margarete A. Ralston
Stephen L. Bulick
Gregory J. Beveridge
Assignees (at issue)
MediaOne Group, Inc.
U S West, 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.