The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 08, 2008
Filed:
Aug. 16, 2001
Applicants:
Georg Bauer, Nürnberg, DE;
Jörg Hassmann, Erlangen, DE;
Harald Walter, Erlangen, DE;
Wolf Bertling, Erlangen, DE;
Inventors:
Georg Bauer, Nürnberg, DE;
Jörg Hassmann, Erlangen, DE;
Harald Walter, Erlangen, DE;
Wolf Bertling, Erlangen, DE;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41M 3/14 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to a method for forgery-proof labeling of items, such as credit cards, bank notes and the like, comprising the following steps: (a) applying, to a first layer () that reflects electromagnetic waves, an inert second layer () that is permeable to electromagnetic waves, said second layer having a predetermined thickness, (b) applying, to said second layer (), a third layer () that is formed by metal clusters, and (c) linking the first layer () of the label so produced with the item.