Granted Patent
Utility
US 4,260,974 · App. 06/010,874
Deflection unit for a cathode-ray tube
Inventor:
Friedrich-Karl Nelle
Patented Case
View Patent ↗
Granted: Apr 7, 1981
Filed: Feb 9, 1979
Inventor
Friedrich-Karl Nelle
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.