Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Gelbart0
Date of Patent
March 30, 2010
Patent Application Number
10829368
Date Filed
April 22, 2004
Patent Primary Examiner
Patent abstract
An authentication system uses the unique distribution of an invisible taggant as a “signature” to identify an item. The verification is error tolerant. The taggant is made visible to a camera by special illumination. Inert taggants, with no optical activity, can be made visible by their thermal properties.
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