Granted Patent
Utility
US 4,297,620 · App. 06/129,059
Quasi feedback horizontal scan linearization for cathode ray tubes
Inventor:
Ronald Quan
Patented Case
View Patent ↗
Granted: Oct 27, 1981
Filed: Mar 10, 1980
Inventor
Ronald Quan
Assignee (at issue)
Ampex 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.