Granted Patent
Utility
US 5,111,287 · App. 07/673,444
TV signal transmission systems and methods
Inventors:
Richard W. Citta, Ronald Lee
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Mar 22, 1991
Inventors
Richard W. Citta
Ronald Lee
Assignee (at issue)
Zenith Electronics LLC
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.