Granted Patent
Utility
US 4,637,804 · App. 06/844,346
Method of constructing an electron gun having an improved transition member and product thereof
Inventor:
Harry E. McCandless
Patented Case
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Granted: Jan 20, 1987
Filed: Mar 26, 1986
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.