Granted Patent
Utility
US 4,217,014 · App. 06/008,176
Method for assembling a base to an electron tube
Inventor:
Joseph J. Piascinski
Patented Case
View Patent ↗
Granted: Aug 12, 1980
Filed: Jan 31, 1979
Inventor
Joseph J. Piascinski
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.