Patents Assigned to Xetos AG
  • Patent number: 6747768
    Abstract: An information carrier includes information in the form of a hologram. In order to increase protection against copying and/or as a simple recognizable additional security feature of this information carrier, the hologram is the combination of a transmission hologram and a reflection hologram.
    Type: Grant
    Filed: April 25, 2002
    Date of Patent: June 8, 2004
    Assignee: Xetos AG
    Inventors: Frank Knocke, Dieter Ebert