Granted Patent
Utility
US 4,989,245 · App. 07/319,540
Controlled authorization of descrambling of scrambled programs broadcast between different jurisdictions
Inventor:
Christopher J. Bennett
Patented Case
View Patent ↗
Granted: Jan 29, 1991
Filed: Mar 6, 1989
Inventor
Christopher J. Bennett
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.