Patents by Inventor Heinz Terbrack

Heinz Terbrack 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).

  • Panel for a composite surface and a method of assembling same
    Patent number: 4426820
    Abstract: A panel interconnectable with like panels for use in forming a sports surface has a substantially rectangular and planar member and an edge connector at at least one set of opposite edges including a first locking member extending from the lower surface of the panel at one edge and having a groove extending inwards from the end thereof and towards the one edge and terminating below the upper surface. A second locking member extending from the upper surface of the panel at the other edge, has a projection configured to engage in the groove to mate with the first locking member at the one edge of an adjacent panel to align the upper and lower surfaces of the panels. A plurality of these panels are advantageously assembled by the method according to the present invention to form a sports surface.
    Type: Grant
    Filed: February 17, 1981
    Date of Patent: January 24, 1984
    Inventors: Heinz Terbrack, Josef Terbrack