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:
Nov. 11, 2008
Filed:
Apr. 16, 2003
Applicant:
Walter Schneider, Miesbach, DE;
Inventor:
Walter Schneider, Miesbach, DE;
Assignee:
Giesecke & Devrient GmbH, Munich, DE;
Primary Examiner:
Int. Cl.
CPC ...
B05D 5/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A security document with a security element, wherein the security element includes at least partly a material that is optically changeable by an electric or magnetic field. In addition, a corresponding method for producing such a security document and a test method for testing such a security document are described.