Patents by Inventor David Lee Stoner

David Lee Stoner 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).

  • Patent number: 11613143
    Abstract: A wheel for a cart comprises a hollow cylindrical body. The hollow cylindrical body is formed of a stiff material and has a corrugated outer surface and a corrugated inner surface.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: March 28, 2023
    Assignee: Land to Sand Easy Carts, LLC
    Inventors: Shirley Miller Kurtz, David Lee Stoner
  • Publication number: 20190358995
    Abstract: A wheel for a cart comprises a hollow cylindrical body. The hollow cylindrical body is formed of a stiff material and has a corrugated outer surface and a corrugated inner surface.
    Type: Application
    Filed: May 23, 2019
    Publication date: November 28, 2019
    Applicant: Land to Sand Easy Carts, LLC
    Inventors: Shirley Miller Kurtz, David Lee Stoner