Assignee

PRINTETCH LTD

GB·1 granted patent·8 citations·filing 2004–2004

Technology mixB41F1 B41M1 B42D1 G03H1

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0165US8015919B2Security printing using a diffraction gratingPRINTETCH LTD·Filed 2004·Granted Sep 13, 2011·8 cites·17 claims

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