Patents by Inventor Paul Hoffer

Paul Hoffer 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).

  • Publication number: 20210060731
    Abstract: An abrasion device for abrading a surface of a plant includes a sprayer configured to spray abrasive particles toward the surface of the plant so that the abrasive particles abrade the surface of the plant. A track assembly supports the sprayer thereon. The track assembly defines a path along which the sprayer moves as the sprayer sprays abrasive particles toward the surface of the plant.
    Type: Application
    Filed: April 26, 2019
    Publication date: March 4, 2021
    Inventors: Bill Hendrix, Paul Hoffer, Rick A. Sanders