Granted Patent
Utility
US 4,449,951 · App. 06/298,848
Method of adjusting the electrode spacings in systems of electron-beam tubes
Inventor:
Eberhard Nill
Patented Case
View Patent ↗
Granted: May 22, 1984
Filed: Sep 3, 1981
Inventor
Eberhard Nill
Assignee (at issue)
International Standard Electric 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.