Granted Patent
Utility
US 5,146,496 · App. 07/714,673
Method and apparatus for enhancing the security of a scrambled television signal
Inventors:
Richard Westerfer, Clyde Robbins, Anthony M. Radice
Patented Case
View Patent ↗
Granted: Sep 8, 1992
Filed: Jun 13, 1991
Inventors
Richard Westerfer
Clyde Robbins
Anthony M. Radice
Assignee (at issue)
General Instrument Corporation
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.