Granted Patent
Utility
US 4,518,893 · App. 06/443,921
CRT with internal neck coating of crystalline tin oxide for suppressing arcing therein
Inventors:
James Kane, John Murr, Jr.
Patented Case
View Patent ↗
Granted: May 21, 1985
Filed: Nov 23, 1982
Inventors
James Kane
John Murr, Jr.
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.