Identification document having intrusion resistance

Number of patents in Portfolio can not be more than 2000

United States of America Patent

APP PUB NO 20050247794A1
SERIAL NO

11092136

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An identification document is provided, comprising a core layer, such as TESLIN, laminated directly to a laminate layer, such as polycarbonate, without the use of an adhesive. The core layer has at least one indicium formed thereon and has a first surface. The first layer of laminate is affixed to the core layer by a press lamination process where the press lamination process is sufficient to couple the core layer to the first layer such that an attempt to separate the first layer from the core layer causes at least a partial destruction of the core layer.

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Patent Owner(s)

Patent OwnerAddress
DIGIMARC CORPORATION9405 SW GEMINI DRIVE BEAVERTON OR 97008

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bi, Daoshen Boxborough, MA 58 1196
Jones, Robert L Andover, MA 144 3077
Yeh, Tung-Feng Waltham, MA 19 414

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