Granted Patent
Utility
US 4,481,445 · App. 06/383,444
Electron gun for projection television cathode ray tubes
Inventor:
Richard M. Gorski
Patented Case
View Patent ↗
Granted: Nov 6, 1984
Filed: Jun 1, 1982
Inventor
Richard M. Gorski
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.