Granted Patent
Utility
US 4,823,387 · App. 07/047,848
Television tuning system with provisions for tuning RF signals with scrambled video information
Inventor:
Juri Tults
Patented Case
View Patent ↗
Granted: Apr 18, 1989
Filed: May 8, 1987
Inventor
Juri Tults
Assignee (at issue)
RCA Licensing 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.