Granted Patent
Utility
US 4,335,335 · App. 06/120,473
Television receiver high voltage protection circuit
Inventor:
Donald H. Willis
Patented Case
View Patent ↗
Granted: Jun 15, 1982
Filed: Feb 11, 1980
Inventor
Donald H. Willis
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.