Patents by Inventor Herbert Grün

Herbert Grün has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6519497
    Abstract: The invention relates to a method and apparatus for producing card-shaped data carriers. The method has at least one production step requiring a data carrier of a defined type or quality or in a defined position and/or changing the data carrier in irreversible fashion or in a fashion which can be reversed only by additional expense. The data carrier is optically tested before or after said production step, and the further processing of the data carrier controlled depending on the result of said test.
    Type: Grant
    Filed: November 22, 1999
    Date of Patent: February 11, 2003
    Assignee: Giesecke & Devrient GmbH
    Inventors: Rainer Blome, Herbert Grün, Volker Waschk