Patents Assigned to Magnaplay Inc.
  • Multiple layer magnetic puzzle
    Patent number: 5203847
    Abstract: A magnetic puzzle for educational purposes comprises a plurality of pieces. Each of the pieces has a magnetic side and a graphics side and is adapted to be attached to a metallic board. The pieces are of a thickness such that two or more pieces may be positioned one upon the other with the bottom piece attached to the metallic board.
    Type: Grant
    Filed: January 24, 1991
    Date of Patent: April 20, 1993
    Assignee: Magnaplay Inc.
    Inventor: Sandra L. Butt