Granted Patent
Utility
US 4,489,253 · App. 06/438,197
Automatic degaussing circuit with switch mode power supply
Inventor:
Theodore J. Godawski
Patented Case
View Patent ↗
Granted: Dec 18, 1984
Filed: Nov 1, 1982
Inventor
Theodore J. Godawski
Assignee (at issue)
Zenith Electronics LLC
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.