Granted Patent
Utility
US 4,259,692 · App. 06/087,448
Projection kinescope and method of operation
Inventor:
Ralph J. D'Amato
Patented Case
View Patent ↗
Granted: Mar 31, 1981
Filed: Oct 22, 1979
Inventor
Ralph J. D'Amato
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.