Patents by Inventor Stephen M. Hewitt

Stephen M. Hewitt 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: D288385
    Type: Grant
    Filed: September 24, 1984
    Date of Patent: February 24, 1987
    Inventor: Stephen M. Hewitt