Granted Patent
Utility
US 4,413,288 · App. 06/328,438
Indicator control signal generator for video tape recorder
Inventor:
Robert Norman Hurst, Jr.
Patented Case
View Patent ↗
Granted: Nov 1, 1983
Filed: Dec 7, 1981
Inventor
Robert Norman Hurst, Jr.
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.