Granted Patent
Utility
US 4,491,764 · App. 06/424,139
Arc suppression structure for an electron gun
Inventor:
Ralph J. D'Amato
Patented Case
View Patent ↗
Granted: Jan 1, 1985
Filed: Sep 27, 1982
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.