Inventor
MAERTENS DETLEF
DE5 patents
Patents
5 patentsUS7832771B2Nov 16, 2010
Method for the production of a book-type security document and a book-type security document
BUNDESDRUCKEREI GMBH17 citations80
US10414192B2Sep 17, 2019
Datasheet for a security and/or valuable document
BUNDESDRUCKEREI GMBH2 citations68
US6750465B2Jun 15, 2004
Device for evaluating diffractive authenticity features
BUNDESDRUCKEREI GMBH4 citations59
US7371301B2May 13, 2008
Multilayer security document and method for the production thereof
BUNDESDRUCKEREI GMBH0 citations36
US6986823B2Jan 17, 2006
Process and apparatus for producing a laminate, comprising at least one polymer film with information and at least one substrate, for further processing for forgery-proof documents
BUNDESDRUCKEREI GMBH0 citations32