Patents by Inventor Ellen Chapman Karg

Ellen Chapman Karg 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: 6398659
    Abstract: An apparatus is disclosed comprising a light weight maze game that can be used indoors or outdoors and which has light weight vertical poles and horizontal poles that interconnect together to make up the frame of the maze apparatus. The panels are made of a light weight fabric and are readily attached and detached from the horizontal poles such the panels hang downwardly from the horizontal poles to establish the various isolated pathways through the maze. By the construction, the maze apparatus can be set up easily and quickly by a user and the vertical height of the panels can be selected by the user for differing heights of the children.
    Type: Grant
    Filed: June 19, 2000
    Date of Patent: June 4, 2002
    Inventor: Ellen Chapman Karg