Granted Patent
Utility
US 4,155,618 · App. 05/870,656
Base assembly for an electron tube
Inventors:
John H. Regnault, Robert E. Benway
Patented Case
View Patent ↗
Granted: May 22, 1979
Filed: Jan 19, 1978
Inventors
John H. Regnault
Robert E. Benway
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.