Granted Patent
Utility
US 4,605,880 · App. 06/643,175
Multibeam electron gun having a cathode-grid subassembly and method of assembling same
Inventors:
Harry E. McCandless, Sigmund T. Villanyi
Patented Case
View Patent ↗
Granted: Aug 12, 1986
Filed: Aug 22, 1984
Inventors
Harry E. McCandless
Sigmund T. Villanyi
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.