发明名称 Two-Sided Counterfeit-Resistant Certificate And Method
摘要 A certificate and method is provided that reduces the likelihood of counterfeiting via photocopier by providing various features that would require the use of a color duplex copier in order to effectively copy the certificate. Requiring the use of a color duplex copier is an effective deterrent because the use of such a device significantly reduces the profit margins of counterfeiting efforts.
申请公布号 US2010264641(A1) 申请公布日期 2010.10.21
申请号 US20100728123 申请日期 2010.03.19
申请人 COMUNIQUEST, INC. 发明人 OLSON JAMES
分类号 B42D15/00;G06K19/06 主分类号 B42D15/00
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