Granted Patent
Utility
US 4,287,535 · App. 06/087,901
High voltage shutdown circuit with current feedback for cathode ray tube
Inventor:
Bharat Vakil
Patented Case
View Patent ↗
Granted: Sep 1, 1981
Filed: Oct 24, 1979
Inventor
Bharat Vakil
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.