Workpiece authentication based upon one or more workpiece images
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United States of America Patent
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Apr 25, 2006
Grant Date -
N/A
app pub date -
Apr 19, 2000
filing date -
Apr 23, 1999
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A workpiece authentication technique is provided. The technique bases workpiece authentication upon intrinsic physical characteristics of the workpiece, including one or more images of topographical appearance of at least one portion of the workpiece.
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Cited Art Landscape
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