Patents Assigned to Koninklijke Tufton B.V.
  • Mat
    Patent number: 5215802
    Abstract: The invention relates to a mat comprising a plurality of elongated rails arranged parallel to one another and each having a receiving portion adapted to receive a tread member. The rails are coupled by way of first and second connecting elements, preferably consisting of T-shaped members and U-shaped members, by insertion in a direction perpendicular to the longitudinal axis of the rails.
    Type: Grant
    Filed: April 6, 1992
    Date of Patent: June 1, 1993
    Assignee: Koninklijke Tufton B.V.
    Inventor: Johannes C. Kaars Sijpesteijn