Authentication of identification documents and banknotes
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Jul 3, 2007
Grant Date -
Aug 3, 2006
app pub date -
Dec 19, 2005
filing date -
Jul 31, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The present invention provides methods and systems that are helpful authentication of physical and electronic documents like financial documents and identification documents. Steganographic indicia plays a role in some of our implementations. In other implementations we bind design features to a user or to a document. In still other implementations we provide authentication methods to evaluate security documents.
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