Patents by Inventor Stewart Marshall

Stewart Marshall 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: D481826
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: November 4, 2003
    Assignee: MacDonald Johnston Engineering Co. Pty. Ltd.
    Inventors: Steven Martinuzzo, John Magree, Stewart Marshall, Simon Andresen
  • Patent number: D483152
    Type: Grant
    Filed: November 6, 2001
    Date of Patent: December 2, 2003
    Assignee: MacDonald Johnston Engineering Co., Pty Ltd.
    Inventors: Steven Martinuzzo, John Magree, Stewart Marshall, Simon Andresen