Patents by Inventor Joshua King Hoyt

Joshua King Hoyt 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).

  • Woofer
    Patent number: D414771
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: October 5, 1999
    Assignee: Sonigistix Corporation
    Inventors: Joshua King Hoyt, Henry Chin
  • Planar magnetic speaker housing
    Patent number: D416259
    Type: Grant
    Filed: September 2, 1998
    Date of Patent: November 9, 1999
    Assignee: Sonigistix Corporation
    Inventors: Joshua King Hoyt, Henry Chin