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. 07, 2006
Filed:
Jul. 13, 2003
Applicant:
Frank Puttkammer, Coswig, DE;
Inventor:
Frank Puttkammer, Coswig, DE;
Assignee:
WHD Electronische Prueftechnik, Dresden, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06K 9/74 (2006.01);
U.S. Cl.
CPC ...
Abstract
A structure of a security element for documents provided with a combination of differently reacting or responding security features and functional designs, including conductive, magnetic and diffractive ones, which render it difficult or impossible for counterfeiters to discover the functioning of the security element.