Granted Patent
Utility
US 4,760,489 · App. 07/060,898
Video display degaussing apparatus
Inventor:
Walter Truskalo
Patented Case
View Patent ↗
Granted: Jul 26, 1988
Filed: Jun 12, 1987
Inventor
Walter Truskalo
Assignee (at issue)
RCA Licensing 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.