Granted Patent
Utility
US 6,326,071 · App. 08/796,860
Reverse thermal label
Inventor:
Roger Francoeur
Patented Case
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Granted: Dec 4, 2001
Filed: Feb 6, 1997
Inventor
Roger Francoeur
Assignee (at issue)
Nashua 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.