Patents by Inventor Robert C. Marble

Robert C. Marble 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).

  • Paintbrush with adjustable bristle width, length, angle and shape
    Publication number: 20170332775
    Abstract: A paintbrush with adjustable bristle width, length, angle and/or shape that allows the user to configure the shape of the application surface as desired, thus eliminating the need for painters to utilize multiple traditional paintbrushes with different bristle configurations for different size and shaped surfaces being painted.
    Type: Application
    Filed: May 19, 2017
    Publication date: November 23, 2017
    Inventors: Christopher L. Anthony, Robert C. Marble