Patents by Inventor Stephen H. Arkell

Stephen H. Arkell 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).

  • Gauge face plate
    Patent number: D321014
    Type: Grant
    Filed: November 3, 1987
    Date of Patent: October 22, 1991
    Assignee: Stephen H. Arkell
    Inventor: Stephen H. Arkell