Granted Patent
Utility
US 4,387,404 · App. 06/295,181
Projector television tube alignment means and method
Inventors:
Robert Feinberg, Roy Maskell
Patented Case
View Patent ↗
Granted: Jun 7, 1983
Filed: Aug 21, 1981
Inventors
Robert Feinberg
Roy Maskell
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.