Patents Assigned to Marlux N.V.
  • Building materials
    Patent number: 5987831
    Abstract: A building product has an exposed surface provided by a multiplicity of linearly extending parallel asymmetric depressions of saw tooth configuration. Thus, a coloured exposed surface appearance apparently changes colour as relative positions of the building product and viewer change.
    Type: Grant
    Filed: December 31, 1997
    Date of Patent: November 23, 1999
    Assignee: Marlux N.V.
    Inventor: Louis Lamberts-Van Assche