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United States of America Patent
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Oct 30, 2012
Grant Date -
Aug 7, 2008
app pub date -
Feb 1, 2008
filing date -
Feb 2, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A graphically represented, machine-readable code having a first abstract part and a second part comprises a contrived code having pre-associated data, wherein the first and second parts are associated electronically in a storage medium, such that the association is verifiable by a machine reading the code by reference to the storage medium, in order to authenticate the second part.
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