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
Non-continuous holograms, methods of making them and articles in
Non-continuous holograms, methods of making them and articles in
Nonreplicable document and method for making same
Object with an optical effect