Patents by Inventor David Alexander Duncan

David Alexander Duncan 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).

  • Multi-beam panel structures
    Publication number: 20030196581
    Abstract: A fabricated panel structure such as a boat hull includes a plurality of elongate flexible cores 10 of a low strength foam material which are each individually covered by a respective strip 20 of fibrous material wrapped around each core in a spiral fashion. The covered members are arranged side-by-side sandwiched between inner and outer layers 24 and 26 of fibre-reinforced plastics material which are bonded to the cores.
    Type: Application
    Filed: April 8, 2003
    Publication date: October 23, 2003
    Inventor: David Alexander Duncan