Granted Patent
Utility
US 4,286,336 · App. 06/010,485
Automatic shutdown arrangement for stand-alone television modulator
Inventor:
Robert Sanford
Patented Case
View Patent ↗
Granted: Aug 25, 1981
Filed: Feb 8, 1979
Inventor
Robert Sanford
Assignee (at issue)
RCA 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.