Granted Patent
Utility
US 4,419,686 · App. 06/231,278
Digital chrominance filter for digital component television system
Inventor:
Eric F. Morrison
Patented Case
View Patent ↗
Granted: Dec 6, 1983
Filed: Feb 4, 1981
Inventor
Eric F. Morrison
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.