Patents Assigned to Robert de Vries
  • 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