SECURITY DEVICES FOR SECURITY SUBSTRATES
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United States of America Patent
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app pub date -
Jan 20, 2017
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Aug 15, 2005
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A security device for security substrates, such as paper used for making security documents, such as banknotes, having anti-counterfeitable features and methods of making are provided. The security device has a carrier of at least partially light transmitting polymeric material. A carrier bears a plurality of first indicia which are easily visible to the human eye. The first indicia are defined by a plurality of smaller second indicia which are less visible to the human eye positioned relative to each other to enable the first indicia to be visualized.
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