Inventor
ZIENTEK PAUL
AU15 patents
⚠️ This page may combine multiple inventors who share the name “ZIENTEK PAUL”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SECURENCY PTY LTD
13 patentsUS6505779B1Jan 14, 2003
Security document with security marking formed of transparent windows
SECURENCY PTY LTD80 citations97
US6062604AMay 16, 2000
Self-verifying security documents
SECURENCY PTY LTD132 citations97
US6372394B1Apr 16, 2002
Laser marking of articles
SECURENCY PTY LTD54 citations96
US6761377B2Jul 13, 2004
Self-verifying security documents
SECURENCY PTY LTD41 citations95
US6467810B2Oct 22, 2002
Self-verifying security documents
SECURENCY PTY LTD53 citations95
US6273473B1Aug 14, 2001
Self-verifying security documents
SECURENCY PTY LTD40 citations95
US6471247B1Oct 29, 2002
Banknotes incorporating security devices
SECURENCY PTY LTD33 citations90
US6471248B2Oct 29, 2002
Banknotes incorporating security devices
SECURENCY PTY LTD23 citations90
US6770898B1Aug 3, 2004
Method of verifying the authenticity of a security document and document for use in such a method
SECURENCY PTY LTD13 citations79
US7040664B2May 9, 2006
Self-verifying security documents
SECURENCY PTY LTD9 citations72
US7790361B2Sep 7, 2010
Methods of producing diffractive structures in security documents
SECURENCY PTY LTD4 citations60
US6995383B2Feb 7, 2006
Method of verifying the authenticity of a security document and document for use in such a method
SECURENCY PTY LTD4 citations58
US7029733B2Apr 18, 2006
Printed matter producing reflective intaglio effect
SECURENCY PTY LTD4 citations54