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:
Apr. 19, 2011
Filed:
Jul. 12, 2004
Applicants:
Juergen Schuetzmann, Pfaffenhofen, DE;
Bernd Wunderer, Munich, DE;
Manfred Heim, Munich, DE;
Inventors:
Assignee:
Giesecke & Devrient GmbH, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
G06K 9/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention relates to an object of value with a security element, which has at least one liquid-crystalline material, the liquid-crystalline material effecting a linear polarization of light.