Granted Patent
Utility
US 4,943,849 · App. 07/239,298
Television transmission system having improved separation of audio and video spectra
Inventors:
Yves C. Faroudja, Jack J. Campbell
Patented Case
View Patent ↗
Granted: Jul 24, 1990
Filed: Sep 1, 1988
Inventors
Yves C. Faroudja
Jack J. Campbell
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.