Patents by Inventor Graham Whitehead

Graham Whitehead 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: D381335
    Type: Grant
    Filed: July 13, 1994
    Date of Patent: July 22, 1997
    Assignee: British Broadcasting Corporation
    Inventor: Graham Whitehead