Granted Patent
Utility
US 4,532,452 · App. 06/547,038
Cathode structure for a cathodoluminescent display devices
Inventor:
Robert A. Gange
Patented Case
View Patent ↗
Granted: Jul 30, 1985
Filed: Oct 31, 1983
Inventor
Robert A. Gange
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.