Granted Patent
Utility
US 4,754,206 · App. 06/900,653
Shutdown circuit for CRT high voltage system
Inventor:
Tom L. Sorensen
Patented Case
View Patent ↗
Granted: Jun 28, 1988
Filed: Aug 26, 1986
Inventor
Tom L. Sorensen
Assignee (at issue)
Zenith Electronics LLC
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.