Granted Patent
Utility
US 4,629,934 · App. 06/769,978
Multibeam electron gun having means for positioning a screen grid electrode
Inventor:
Andrew K. Wright
Patented Case
View Patent ↗
Granted: Dec 16, 1986
Filed: Aug 27, 1985
Inventor
Andrew K. Wright
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.