Granted Patent
Utility
US 4,633,514 · App. 06/668,109
Keyboard controlled television receiver
Inventors:
Mark Fimoff, Thomas J. Zato
Patented Case
View Patent ↗
Granted: Dec 30, 1986
Filed: Nov 5, 1984
Inventors
Mark Fimoff
Thomas J. Zato
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.