Patents Assigned to Stichting Istaned
  • Patent number: 4924645
    Abstract: Composite floor structure comprising a metallic carrier section (4) filled with sound proofing grannular material (5) on which an elastic deformable separating layer (6) is placed finished with a convering layer (7).
    Type: Grant
    Filed: March 3, 1989
    Date of Patent: May 15, 1990
    Assignee: Stichting Istaned
    Inventor: Maarten A. M. Abeln