Référencé par|
| US4030736 | 2 janv. 1976 | 21 juin 1977 | | Magnetic target throwing game | | US4846689 | 19 févr. 1988 | 11 juil. 1989 | | Magnetic educational aid and teaching method | | US4886273 | 3 oct. 1988 | 12 déc. 1989 | | Toy and puzzle with reversible breakability | | US6705794 | 26 janv. 2001 | 16 mars 2004 | Fusion Specialties, Inc. | Display form having magnetically attachable parts | | US7144179 | 9 mars 2004 | 5 déc. 2006 | Fusion Specialties, Inc. | Display form having magnetically attachable parts | | US7270329 | 19 août 2005 | 18 sept. 2007 | Mattel, Inc. | Design game with deductive component | | US7325996 | 5 déc. 2006 | 5 févr. 2008 | Fusion Specialties, Inc. | Display form having magnetically attachable parts | | US7448932 | 18 avr. 2005 | 11 nov. 2008 | Origin Products, Ltd. | Toy |
|