Citada por|
| US4026557 | 7 Oct 1975 | 31 May 1977 | | Board game apparatus | | US4249741 | 5 Sep 1978 | 10 Feb 1981 | Uitgeverij Van der Laken | Board for three player draughts and the like | | US4322085 | 21 May 1980 | 30 Mar 1982 | | Circular chess game | | US4553756 | 12 Ago 1983 | 19 Nov 1985 | | Circular chess | | US4949977 | 10 Feb 1989 | 21 Ago 1990 | | Game with table top and wall supported game boards | | US5145181 | 1 Nov 1989 | 8 Sep 1992 | | Board game apparatus | | US7258342 | 31 May 2005 | 21 Ago 2007 | | Card game with moving cards | | USD356604 | 27 Ene 1993 | 21 Mar 1995 | | Circular chess board |
|
