Referenced by|
| US3964747 | 10 Feb 1975 | 22 Jun 1976 | | Game apparatus | | US5314189 | 12 May 1992 | 24 May 1994 | | Modern chess set using architectural language to shape playable pieces | | US5511793 | 8 Jun 1992 | 30 Apr 1996 | Quantum Development, Inc. | Composite chess game and method | | US7077400 | 18 Nov 2004 | 18 Jul 2006 | Mattel, Inc. | Game with associable playing pieces | | US7347422 | 13 Apr 2005 | 25 Mar 2008 | | Game system |
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