Granted Patent
Utility
US 4,415,918 · App. 06/297,556
Digital color television signal demodulator
Inventor:
Henry G. Lewis, Jr.
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Aug 31, 1981
Inventor
Henry G. Lewis, 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.