Granted Patent
Utility
US 4,495,438 · App. 06/380,793
Device for adjusting electron beams in a cathode-ray tube
Inventor:
Walter Kornaker
Patented Case
View Patent ↗
Granted: Jan 22, 1985
Filed: May 21, 1982
Inventor
Walter Kornaker
Assignee (at issue)
ITT Industries
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.