Granted Patent
Utility
US 4,496,877 · App. 06/366,024
Unipotential electron gun for short cathode ray tubes
Inventor:
Cindee C. Kueny
Patented Case
View Patent ↗
Granted: Jan 29, 1985
Filed: Apr 6, 1982
Inventor
Cindee C. Kueny
Assignee (at issue)
Zenith Electronics LLC
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.