Patents by Inventor Stephen Dunstall

Stephen Dunstall 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).

  • Utility pole
    Publication number: 20090031646
    Abstract: A tubular utility pole for supporting a load, adapted for direct burial of a preselected end thereof in a soil material. The pole includes a body having a substantially constant cross-section substantially along a length thereof. The body includes a steel tube with holes therein to permit attachment of the load to the body.
    Type: Application
    Filed: July 16, 2007
    Publication date: February 5, 2009
    Applicant: Stelco Inc.
    Inventors: Peter Badgley, Stephen Dunstall, Christian Deveau, Michael Thorpe