Granted Patent
Utility
US 5,517,916 · App. 08/305,568
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Inventors:
Frederick W. Dour, Steven J. Sculler, Walter W. Stefanski
Patented Case
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Granted: May 21, 1996
Filed: Sep 14, 1994
Inventors
Frederick W. Dour
Steven J. Sculler
Walter W. Stefanski
Assignee (at issue)
M&R Marking Systems, 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.