Patents by Inventor David D. Phin

David D. Phin 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).

  • Molecularly interspersed thermoplastic composite mat
    Patent number: 5578370
    Abstract: A thermoplastic composite material comprising a molecularly-oriented thermoplastic polymer base having at least one thermoplastic surface polymeric layer. This surface polymeric layer is compatibly bonded to the polymer base by molecular interspersion between the contiguous surfaces of the adjoining base and surface layer. The surface polymeric layer also has a softening temperature lower than that of the polymer base.
    Type: Grant
    Filed: September 27, 1994
    Date of Patent: November 26, 1996
    Assignee: Don & Low (Holdings) Limited
    Inventors: Andrew N. Ferrar, David D. Phin