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Referenced by

Citing PatentFiling dateIssue dateOriginal AssigneeTitle
US39895705 Sep 19742 Nov 1976Precision Dynamics CorporationMethod for producing an imprinting device
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US67613776 May 200313 Jul 2004Securency Pty LtdSelf-verifying security documents
US70406641 Jul 20049 May 2006Securency PTY LTDSelf-verifying security documents
US733974016 Jul 20054 Mar 2008Image decoder system
US748800222 Dec 200310 Feb 2009Securency Pty LimitedSecurity and/or value document