Granted Patent
Utility
US 5,870,474 · App. 08/580,759
Method and apparatus for providing conditional access in connection-oriented, interactive networks with a multiplicity of service providers
Inventors:
Anthony J. Wasilewski, Douglas F. Woodhead, Gary Logston
Patented Case
View Patent ↗
Granted: Feb 9, 1999
Filed: Dec 29, 1995
Inventors
Anthony J. Wasilewski
Douglas F. Woodhead
Gary Logston
Assignee (at issue)
Scientific-Atlanta, 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.