Patents by Inventor Steven St. John Tourison

Steven St. John Tourison 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).

  • Speaker
    Patent number: D617775
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: June 15, 2010
    Assignee: Polk Audio, Inc.
    Inventors: Ken Sakamaki Chae, Mark James Suskind, Steven St. John Tourison
  • Audio system
    Patent number: D637994
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: May 17, 2011
    Assignee: Polk Audio, Inc.
    Inventors: Ken Sakamaki Chae, John David Crisco, Steven St. John Tourison