Patents by Inventor Arend Luitjen

Arend Luitjen 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).

  • Method for laying bricks in a herringbone pattern, and an accordingly manufactured brick structure
    Patent number: 4712346
    Abstract: In accordance with the present invention there is provided an elevated brick structure, wherein the bricks are arranged in a herringbone pattern of alternate herringbone layers in which the bricks are either in a horizontally stretched position or in an upstanding position.
    Type: Grant
    Filed: May 14, 1986
    Date of Patent: December 15, 1987
    Assignees: Arend Luijten, Robert de Vries
    Inventor: Arend Luitjen