Granted Patent
Utility
US 4,484,102 · App. 06/353,980
Strengthening means for a deep-drawn in-line electron gun electrode
Inventor:
John R. Hale
Patented Case
View Patent ↗
Granted: Nov 20, 1984
Filed: Mar 2, 1982
Inventor
John R. Hale
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.