Patents Assigned to Nottingham Group Ltd.
  • Building block having opposing male and female hinge elements for connection to like elements on another like block
    Patent number: 5458495
    Abstract: This invention relates to a building block in the shape of a right-angles isosceles triangular prism. the block has male hinge elements on one edge and female hinge elements on another edge such that two blocks can not only be hingedly attached but also joined at both respective hinge; element carrying edges to form a cube. Male and female face connection elements are provided to allow face to face connection.
    Type: Grant
    Filed: November 22, 1994
    Date of Patent: October 17, 1995
    Assignee: Nottingham Group Ltd.
    Inventor: Robert J. Stone