Granted Patent
Utility
US 4,198,614 · App. 05/958,021
Deflection yoke assembly including a beam positioning magnet arrangement
Inventor:
Frank R. Ragland, Jr.
Patented Case
View Patent ↗
Granted: Apr 15, 1980
Filed: Nov 6, 1978
Inventor
Frank R. Ragland, Jr.
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.