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Inventor
EBERHARDT JOERG
DE
2 patents
Patents
2 patents
US6892946B2
May 17, 2005
Device for verifying documents
BUNDESDRUCKEREI GMBH
3 citations
60
US6750465B2
Jun 15, 2004
Device for evaluating diffractive authenticity features
BUNDESDRUCKEREI GMBH
4 citations
59