Granted Patent
Utility
US 6,196,463 · App. 09/231,497
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Inventor:
Thomas Ferry
Patented Case
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Granted: Mar 6, 2001
Filed: Jan 14, 1999
Inventor
Thomas Ferry
Assignee (at issue)
NCR 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.