Patents by Inventor Douglas Ernest Hills

Douglas Ernest Hills 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).

  • Decorative fireplace
    Patent number: D526403
    Type: Grant
    Filed: July 16, 2004
    Date of Patent: August 8, 2006
    Assignee: FPI Fireplace International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D529599
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: October 3, 2006
    Assignee: FPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D532898
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: November 28, 2006
    Assignee: FPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D532899
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: November 28, 2006
    Assignee: FPI Fireplace Products International Delta
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D532900
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: November 28, 2006
    Assignee: GPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D534271
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: December 26, 2006
    Assignee: FPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D535382
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: January 16, 2007
    Assignee: FPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills
  • Decorative fireplace
    Patent number: D539412
    Type: Grant
    Filed: January 18, 2006
    Date of Patent: March 27, 2007
    Assignee: FPI Fireplace Products International Ltd.
    Inventor: Douglas Ernest Hills