Granted Patent
Utility
US 4,900,148 · App. 06/806,784
Apparatus and process for measuring an optical characteristic of a predetermined portion of a flat object
Inventor:
Stephen Doerr
Patented Case
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Granted: Feb 13, 1990
Filed: Dec 9, 1985
Inventor
Stephen Doerr
Assignee (at issue)
Nabisco Brands, Inc.
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.