Granted Patent
Utility
US 4,928,035 · App. 07/311,089
Glass viewing screen for a color-picture-reproducing device and a method of making the same
Inventor:
Michael Schlipf
Patented Case
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Granted: May 22, 1990
Filed: Feb 14, 1989
Inventor
Michael Schlipf
Assignee (at issue)
Nokia Graetz
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.