P

Inventor

HARDWICK BRUCE ALFRED

AU8 patents
⚠️ This page may combine multiple inventors who share the name “HARDWICK BRUCE ALFRED”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SECURENCY PTY LTD

6 patents
US6062604AMay 16, 2000

Self-verifying security documents

SECURENCY PTY LTD132 citations97
US6403169B1Jun 11, 2002

Method of producing a security document

SECURENCY PTY LTD86 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
US7040664B2May 9, 2006

Self-verifying security documents

SECURENCY PTY LTD9 citations72

MACPHERSON CHARLES DOUGLAS

1 patent
US9738105B2Aug 22, 2017

Optically variable devices, their production and use

MACPHERSON CHARLES DOUGLAS2 citations71

NOTE PRINTING AU LTD

1 patent
US6835934B2Dec 28, 2004

Method of determining a characteristic of a security document, such as a banknote

NOTE PRINTING AU LTD6 citations59