SECURITY DOCUMENTS AND METHODS OF DETERRING COUNTERFEITING
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United States of America Patent
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app pub date -
Oct 23, 2007
filing date -
Jul 17, 2007
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Abandoned
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Abstract
Apparatus and methods are described for a security document that includes a first area of microprinting including a first pattern of microprint and one or more second areas of microprinting including a second pattern of microprint. In addition, the first area of microprinting and the one or more second areas of microprint are not substantially reproducible via a digital imaging device.
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