Patents by Inventor Jimmy Sum

Jimmy Sum 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 cube puzzle
    Publication number: 20020121739
    Abstract: A three-dimensional cube puzzle consists of twenty-five different shaped pieces. Each piece has five cubic units of volume and has at least two square sides. Each square side consists of four edges, each edge has a unit of length, such that when all twenty-five pieces are assembled together they will form a three-dimensional cube with each side having five units of length.
    Type: Application
    Filed: February 20, 2001
    Publication date: September 5, 2002
    Inventor: Jimmy Sum