Patents by Inventor Kees Zeehuisen

Kees Zeehuisen 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).

  • Tactile relief display device and method for manufacture it
    Patent number: 4758165
    Abstract: A braille cell having piezoelectric reeds (8-11) attached at one end (28), supported in their middle region (at 29) and cooperating with tactile members (12-15) at their other end. The attachment of the reeds at their one end (28) being by soldering a protruding part of the reeds to a conducting web (32) parallel to the flexion plane of the reeds. The other ends of the reeds are then located in the desired position with respect to the tactile members.
    Type: Grant
    Filed: February 13, 1987
    Date of Patent: July 19, 1988
    Assignee: F. J. Tieman B.V.
    Inventors: Frans J. Tieman, Kees Zeehuisen