Patents by Inventor Alfons Assfalg

Alfons Assfalg 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).

  • Identification document having a personalized visual identifier and method for production thereof
    Patent number: 8998264
    Abstract: An identification document (10) comprises a personalized first visual marking (14) that is arranged in a first region (12) of the identification document (10), the first region (12) being configured in such a way that, upon laser irradiation of the same, local darkenings of the optical impression of the identification document (10) are produced, resulting from material transformations. The identification document (10) further exhibits a second visual marking (26) that produces the optical impression of a copy of the first visual marking (14) and is arranged in a second region (22) of the identification document (10), the second region (22) being configured in such a way that, upon laser irradiation of the same, local lightenings of the optical impression of the identification document (10) are produced, resulting from material transformations.
    Type: Grant
    Filed: July 27, 2010
    Date of Patent: April 7, 2015
    Assignee: Giesecke & Devrient GmbH
    Inventors: Walter Dorfler, Alfons Assfalg
  • Identification Document Having a Personalized Visual Identifier and Method for Production Thereof
    Publication number: 20120126525
    Abstract: An identification document (10) comprises a personalized first visual marking (14) that is arranged in a first region (12) of the identification document (10), the first region (12) being configured in such a way that, upon laser irradiation of the same, local darkenings of the optical impression of the identification document (10) are produced, resulting from material transformations. The identification document (10) further exhibits a second visual marking (26) that produces the optical impression of a copy of the first visual marking (14) and is arranged in a second region (22) of the identification document (10), the second region (22) being configured in such a way that, upon laser irradiation of the same, local lightenings of the optical impression of the identification document (10) are produced, resulting from material transformations.
    Type: Application
    Filed: July 27, 2010
    Publication date: May 24, 2012
    Applicant: GIESECKE & DEVRIENT GMBH
    Inventors: Walter Dorfler, Alfons Assfalg