Patents by Inventor David A. Perrin, III

David A. Perrin, 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).

  • Audio toy
    Patent number: D513282
    Type: Grant
    Filed: September 27, 2004
    Date of Patent: December 27, 2005
    Assignee: HoMedics, Inc.
    Inventors: Sun Yu, David A. Perrin, III, Roman S. Ferber
  • Audio toy
    Patent number: D551305
    Type: Grant
    Filed: December 27, 2005
    Date of Patent: September 18, 2007
    Inventors: Sun Yu, David A. Perrin, III, Roman S. Ferber