Granted Patent
Utility
US 4,359,778 · App. 06/231,713
Channel equalizer and method for cancelling ghosts
Inventor:
Ronald Lee
Patented Case
View Patent ↗
Granted: Nov 16, 1982
Filed: Feb 5, 1981
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.