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. 27, 1999
Filed:
Mar. 25, 1997
Applicant:
Inventors:
Thomas Attenberger, Poing, DE;
Dieter Stein, Holzkirchen, DE;
Gerhard Stenzel, Germering, DE;
Wilhelm Ilgmann, Wolfratshausen, DE;
Assignee:
Giesecke & Devrient, GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D21H / ; D21H / ; B44F / ;
U.S. Cl.
CPC ...
162140 ; 162134 ; 162110 ; 427185 ;
Abstract
In a method for providing papers of value with authenticity features, a homogeneous mixture is produced in a defined concentration from a feature substance present in powder form and a gas. This mixture is ejected at high speed from at least one nozzle disposed at a given distance from the paper web and transferred onto the running paper web.