Security devices

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United States of America Patent

PATENT NO 9731540
SERIAL NO

13885673

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Abstract

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Multilayered security devices comprising a patterned substrate over which a graphene-based coating has been applied.

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Patent Owner(s)

  • VORBECK MATERIALS CORP.

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lettow, John S Washington, US 63 1081
Scheffer, Dan Frederick, US 34 437

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