Patents by Inventor Hugo Lindenberg

Hugo Lindenberg 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).

  • Laminated panel construction and method of making same
    Patent number: 4157415
    Abstract: A laminated panel construction comprises a base panel preferably comprising a propylene polymer and a filler, a non-woven fabric mechanically anchored to a surface of the base panel and a thermoplastic foil secured to the non-woven fabric by an adhesive material. The non-woven fabric is secured to the surface of the base panel by pressing the base panel and non-woven fabric together at elevated heat and pressure. The base panel with the non-woven fabric secured thereto may be shaped into a predetermined configuration before the thermoplastic foil is adhesively bonded to the non-woven fabric.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: June 5, 1979
    Inventor: Hugo Lindenberg