Optically variable security devices

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United States of America Patent

PATENT NO 11768321
APP PUB NO 20230101526A1
SERIAL NO

17955454

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Abstract

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An optical device is formed by hot stamping a demetallized hologram to an optically variable foil or to a coating of optically variable ink. In another embodiment a hologram is hot stamped to a banknote or document printed with a color-shifting ink.

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Patent Owner(s)

Patent OwnerAddress
VIAVI SOLUTIONS INC1445 SOUTH SPECTRUM BLVD SUITE 102 CHANDLER AS 85286

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Lamar, Scott Santa Rosa, US 8 76
Mayer, Thomas Bogart, US 167 3264
Phillips, Roger W Santa Rosa, US 121 6477
Taguer, Elena Ottawa, CA 6 31

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