Patents Assigned to Kunz AG
  • Method and apparatus for thermal printing of plastic cards
    Patent number: 4650350
    Abstract: A printing device for the production of tamper-proof printing on print receiving material comprises a printing head which carries individually controllable heating elements and a color transmitting embossing foil.
    Type: Grant
    Filed: February 22, 1985
    Date of Patent: March 17, 1987
    Assignee: Kunz AG
    Inventor: Frank Dorner