Granted Patent
Utility
US 4,631,443 · App. 06/769,734
Multibeam electron gun having a formed transition member
Inventor:
Sigmund T. Villanyi
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Aug 27, 1985
Inventor
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.