Patents by Inventor David S. Prince

David S. Prince 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).

  • Wet extrusion of reinforced thermoplastic
    Patent number: 4305901
    Abstract: A method is described for the extrusion of a mixture of a water-based latex emulsion, fibers and fillers.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: December 15, 1981
    Assignee: National Gypsum Company
    Inventors: David S. Prince, Walter E. Voisinet