Granted Patent
Utility
US 6,644,538 · App. 09/678,921
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Inventor:
David H. Schnitzer
Patented Case
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Granted: Nov 11, 2003
Filed: Oct 4, 2000
Inventor
David H. Schnitzer
Assignee (at issue)
Standard Register, 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.