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Brent, CH
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last 30 patents
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Synthesis of superposition images for watches, valuable articles an...
Patent number
7,295,717
Issue date
Nov 13, 2007
Ecole Polytechnique Federale de Lausanne (EPFL)
Roger D. Hersch
G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
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last 30 patents
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Patent Application
Synthesis of superposition images for watches, valuable articles an...
Publication number
20070041611
Publication date
Feb 22, 2007
ECOLE POLYTECHNIQUE FEDERALE DE LAUSANNE (EPFL)
Roger D. Hersch
G04 - HOROLOGY