Granted Patent
Utility
US 4,500,808 · App. 06/364,688
Multibeam electron gun with composite electrode having plurality of separate metal plates
Inventor:
Harry E. McCandless
Patented Case
View Patent ↗
Granted: Feb 19, 1985
Filed: Apr 2, 1982
Inventor
Harry E. McCandless
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.