Patents Assigned to Unitec GmbH & Co. KG
  • Identification document and display unit therefor
    Patent number: 4171864
    Abstract: An identification document contains idential data both in visual and holographic form. Simultaneous display of the visual data and holographic data in closely adjacent relationship permits ready detection of counterfeiting, alteration and misuse.
    Type: Grant
    Filed: October 31, 1975
    Date of Patent: October 23, 1979
    Assignees: Unitec GmbH & Co. KG, R. Oldenboug Graphische Betriebe GmbH
    Inventors: Claus Jung, Klaus Frank