Granted Patent
Utility
US 4,303,940 · App. 06/167,988
Raster manipulated television receiver
Inventor:
Walter S. Ciciora
Patented Case
View Patent ↗
Granted: Dec 1, 1981
Filed: Jul 14, 1980
Inventor
Walter S. Ciciora
Assignee (at issue)
Zenith Radio 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.