Granted Patent
Utility
US 4,366,502 · App. 06/279,452
Bar type channel identification apparatus for a television receiver
Inventor:
Tony L. Shiu
Patented Case
View Patent ↗
Granted: Dec 28, 1982
Filed: Jul 1, 1981
Inventor
Tony L. Shiu
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.