Granted Patent
Utility
US 4,504,430 · App. 06/495,118
Method for casting a base directly on an electron tube
Inventor:
Myron H. Wardell, Jr.
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: May 16, 1983
Inventor
Myron H. Wardell, Jr.
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.