Patents by Inventor Stephen John Preest

Stephen John Preest 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).

  • Hovercraft
    Patent number: D450626
    Type: Grant
    Filed: March 1, 2000
    Date of Patent: November 20, 2001
    Assignee: Pacific Hovercraft New Zealand Limited
    Inventor: Stephen John Preest
  • Hovercraft
    Patent number: D908532
    Type: Grant
    Filed: November 13, 2018
    Date of Patent: January 26, 2021
    Inventor: Stephen John Preest