Patents by Inventor Graham David Allen

Graham David Allen 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: D501845
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: February 15, 2005
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • DVD player
    Patent number: D511758
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: November 22, 2005
    Assignee: GP Acoustics (UK) Ltd.
    Inventor: Graham David Allen
  • DVD player
    Patent number: D511759
    Type: Grant
    Filed: May 6, 2004
    Date of Patent: November 22, 2005
    Assignee: GP Acoustics (UK) Ltd.
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D513745
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: January 24, 2006
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D513746
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: January 24, 2006
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D515556
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: February 21, 2006
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D519491
    Type: Grant
    Filed: October 28, 2004
    Date of Patent: April 25, 2006
    Assignee: GP Accoustics (U.K.) Ltd.
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D527372
    Type: Grant
    Filed: May 17, 2005
    Date of Patent: August 29, 2006
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D486475
    Type: Grant
    Filed: March 6, 2003
    Date of Patent: February 10, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • DVD head unit
    Patent number: D490796
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: June 1, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D491916
    Type: Grant
    Filed: June 30, 2003
    Date of Patent: June 22, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D491919
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: June 22, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D494566
    Type: Grant
    Filed: November 13, 2003
    Date of Patent: August 17, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D496025
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 14, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D496349
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 21, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D496350
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 21, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D496351
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: September 21, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D496923
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: October 5, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D497155
    Type: Grant
    Filed: February 12, 2004
    Date of Patent: October 12, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen
  • Loudspeaker
    Patent number: D498229
    Type: Grant
    Filed: February 21, 2003
    Date of Patent: November 9, 2004
    Assignee: KH Technology Corporation
    Inventor: Graham David Allen