Patents Assigned to Tri-Sil LLC
  • Patent number: 6659774
    Abstract: A plurality of large, tactically soft, cubes, and a plurality, of learning game boards. Each side of a learning cube has imprinted thereon a teaching concept. Each learning game board has a teaching concept imprinted thereon corresponding to a learning cube.
    Type: Grant
    Filed: May 21, 2002
    Date of Patent: December 9, 2003
    Assignee: Tri-Sil LLC
    Inventors: James G. Ramos, Shirley A. Ramos