Granted Patent
Utility
US 5,159,451 · App. 07/671,478
Field memory expansible line doubler for television receiver
Inventors:
Yves C. Faroudja, Charles A. Bialo
Patented Case
View Patent ↗
Granted: Oct 27, 1992
Filed: Mar 19, 1991
Inventors
Yves C. Faroudja
Charles A. Bialo
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.