Granted Patent
Utility
US 4,366,443 · App. 06/163,143
Television intermediate frequency amplifier
Inventor:
Jack R. Harford
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Jun 26, 1980
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.