Patents by Inventor Robert H. Payne

Robert H. Payne 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).

  • Tri- or tetra-locular paint brush bristles
    Patent number: 4279053
    Abstract: Tri- or tetra-locular oriented polymeric paintbrush bristles.
    Type: Grant
    Filed: September 24, 1979
    Date of Patent: July 21, 1981
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: Robert H. Payne, Robert L. Rackley