Patents by Inventor Ben J. Holden

Ben J. Holden 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).

  • Loudspeaker
    Patent number: D710332
    Type: Grant
    Filed: November 8, 2012
    Date of Patent: August 5, 2014
    Assignee: Martin Audio Ltd.
    Inventors: Jason D. Baird, Ben J. Holden
  • Loudspeaker
    Patent number: D741293
    Type: Grant
    Filed: June 18, 2014
    Date of Patent: October 20, 2015
    Assignee: Martin Audio Limited
    Inventors: Jason D. Baird, Ben J. Holden