Patents by Inventor William Q. Sumner

William Q. Sumner 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).

  • Universal stove attachment
    Patent number: D446422
    Type: Grant
    Filed: April 3, 2000
    Date of Patent: August 14, 2001
    Assignee: Mountain Safety Research, Inc.
    Inventors: William Q. Sumner, Philip R. Hitch