Patents by Inventor Marcel On De Laak

Marcel On De Laak 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).

  • Mixed articles comprising a rigid part and a based on a thermoplastic material
    Patent number: 6858276
    Abstract: The invention concerns the production of articles comprising at least a rigid element (1) and at least an element (2) made of a thermoplastic material obtained by moulding. The rigid element (1) has a profiled transverse section defining a concave space, wherein is positioned at least partly an element made of thermoplastic material.
    Type: Grant
    Filed: March 21, 2000
    Date of Patent: February 22, 2005
    Assignee: Rhodia Engineering Plastics S.A.
    Inventors: Didier Chomier, Marcel On De Laak, Gerhard Potsch