Granted Patent
Utility
US 4,400,723 · App. 06/314,591
Optical assembly for projection television receiver
Inventors:
Michael A. Fanizza, Richard G. Schmid
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Oct 26, 1981
Inventors
Michael A. Fanizza
Richard G. Schmid
Assignee (at issue)
Zenith Radio Corporation
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.