Granted Patent
Utility
US 4,367,491 · App. 06/270,019
Video signal recovery system
Inventor:
Jack R. Harford
Patented Case
View Patent ↗
Granted: Jan 4, 1983
Filed: Jun 3, 1981
Inventor
Jack R. Harford
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.