Patents by Inventor Bryan D. Daniel

Bryan D. Daniel 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).

  • 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