Granted Patent
Utility
US 4,253,121 · App. 06/074,770
Plural sequential operating mode automatic kinescope beam current limiter
Inventor:
Leslie R. Avery
Patented Case
View Patent ↗
Granted: Feb 24, 1981
Filed: Sep 11, 1979
Inventor
Leslie R. Avery
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.