Granted Patent
Utility
US 4,951,149 · App. 07/263,534
Television system with variable aspect picture ratio
Inventor:
Yves C. Faroudja
Patented Case
View Patent ↗
Granted: Aug 21, 1990
Filed: Oct 27, 1988
Inventor
Yves C. Faroudja
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.