Patents by Inventor Duncan F. Campbell

Duncan F. Campbell 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).

  • Patent number: 7083053
    Abstract: A display system for displaying samples of wallpaper includes a display stand having a frame and at least one panel, a plurality of wallpaper display samples affixed to the at least one panel in a pre-selected pattern, a plurality of pre-cut wallpaper samples correlated with the display samples and a plurality of containers sized and shaped for removably holding the pre-cut samples. The pre-cut samples are sized to be substantially smaller than the display samples, and each of the containers is secured to the at least one panel in front of a pre-selected portion of one of the display samples so that a significant portion of the display sample is exposed for visual and tactile examination. The display stand may include four upstanding members which are arranged at approximately ninety-degree intervals about a notional central axis and which project outwardly from that axis, and which each have at least two substantially oppositely faced mounting surfaces on which wallpaper samples may be displayed.
    Type: Grant
    Filed: July 7, 2003
    Date of Patent: August 1, 2006
    Assignee: Wallcrown Limited
    Inventor: Duncan F. Campbell
  • Patent number: D533734
    Type: Grant
    Filed: August 19, 2003
    Date of Patent: December 19, 2006
    Assignee: Wallcrown Limited
    Inventor: Duncan F. Campbell
  • Patent number: D535835
    Type: Grant
    Filed: April 28, 2006
    Date of Patent: January 30, 2007
    Assignee: Wallcrown Limited
    Inventor: Duncan F. Campbell
  • Patent number: D288266
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: February 17, 1987
    Assignee: Reed Inc.
    Inventor: Duncan F. Campbell
  • Patent number: D288640
    Type: Grant
    Filed: October 29, 1984
    Date of Patent: March 10, 1987
    Inventor: Duncan F. Campbell
  • Patent number: D365706
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: January 2, 1996
    Assignee: The Borden Company, Limited
    Inventor: Duncan F. Campbell
  • Patent number: D365707
    Type: Grant
    Filed: March 29, 1994
    Date of Patent: January 2, 1996
    Assignee: The Borden Company, Limited
    Inventor: Duncan F. Campbell