Granted Patent
Utility
US 4,313,131 · App. 06/185,115
CCD Comb filter and demodulator
Inventor:
Ronald Lee
Patented Case
View Patent ↗
Granted: Jan 26, 1982
Filed: Sep 8, 1980
Inventor
Ronald Lee
Assignee (at issue)
Zenith Radio 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.