Patents by Inventor Thompson H. Southwell, III

Thompson H. Southwell, III 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).

  • Chair
    Patent number: D659424
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: May 15, 2012
    Assignee: Grand Rapids Chair Company
    Inventors: Daniel J. Gramza, Thompson H. Southwell, III