Patents by Inventor Wittich Kaule

Wittich Kaule 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).

  • Laminated data carrier protected against forgery, particularly identification card
    Patent number: 4057919
    Abstract: The data carrier is of the type consisting of a data carrying paper blank interposed between two films bonded to the opposite surfaces of the paper blank at respective bonding interfaces. At least one of the bonding interfaces has local areas in which the bond between the film and the respective surface of the paper blank is at least weakened, or omitted, relative to the remainder of the respective bonding interface, so that, when an attempt is made to split the data carrier paper blank along a plane between its opposite surfaces, and the local areas are reached, the tear, following the course of least resistance, will turn toward the surface of the paper blank. This results in a tear at the local areas and thus in the destruction of the respective surfaces of the paper blank.
    Type: Grant
    Filed: August 13, 1976
    Date of Patent: November 15, 1977
    Assignee: G.A.O. Gesellschaft fur Automation und Organisation mbH
    Inventors: Wolfgang Gauch, Wittich Kaule, Guenter Pauli