Patents by Inventor Svend R. De Bruyn

Svend R. De Bruyn 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).

  • Arrow board
    Patent number: 4801918
    Abstract: This invention relates to an arrow board. The arrow board comprises a cabinet having an operative face and a rhomboidal array of lamps arranged in the operative face. A wing board is hingedly attached to the operative face at its transverse medial line. The wing board defines a mask for the lamps and is movable from a first position, in which it extends across the operative face on one side of the board to define an arrow configuration of exposed lamps pointing in one direction, to a second position on the other side of the face in which it defines an arrow configuration of exposed lamps pointing in the other direction.
    Type: Grant
    Filed: October 26, 1987
    Date of Patent: January 31, 1989
    Inventors: Danny W. Buckingham, Svend R. De Bruyn