Magnetic metallic safeguarding thread with negative writing

Magnetic metallic safeguarding thread with negative writing

Magnetic metallic safeguarding thread with negative writing and

Marking of articles

Means for securing sequential pages of a book

Metamerism-based security patterns

Method and apparatus for creating secure documents

Method and apparatus for inhibiting the copying of checks and ne

Method and label system for marking property

Method for producing a particular photoluminescent...

Method of generating a security design with the aid of electroni

Method of marking for deterring fraud with valuable documents

Method of recording/reproducing data of mesh pattern, and appara

Method of rendering documents resistant to photocopying and anti

Method of rendering documents resistant to photocopying, and ant

Methods of creating a tamper resistant informational article

Multi-readable information system

Multilayer data carrier and a method for producing it

Multilayer identity card usable as a printing block and a method