Patents Assigned to Vesta
  • Three dimensional relief puzzle
    Patent number: 3981506
    Abstract: A plurality of parallelepiped blocks having varying heights, planar sides and a curved upper surface are connected together by special pin and hole interlocks randomly spaced in predetermined locations to form a three dimensional puzzle with at least a curved upper surface. Two or more puzzles can be made by initially assembling the blocks into a polyhedron with six rectangular faces and sawing along a predetermined path to separate the polyhedron into individual puzzles.
    Type: Grant
    Filed: June 23, 1975
    Date of Patent: September 21, 1976
    Assignee: Vesta
    Inventors: Wayne A. Daniel, Bryan D. Daniel