Granted Patent
Utility
US 4,377,767 · App. 06/221,586
Device for adjusting the electron beams of a color-picture tube
Inventor:
Walter Kornaker
Patented Case
View Patent ↗
Granted: Mar 22, 1983
Filed: Dec 31, 1980
Inventor
Walter Kornaker
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.