Granted Patent
Utility
US 4,293,874 · App. 06/118,127
DC Restoration circuit for television receiver
Inventor:
Daniel L. Reneau
Patented Case
View Patent ↗
Granted: Oct 6, 1981
Filed: Feb 4, 1980
Inventor
Daniel L. Reneau
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.