Invention Grant
US07918752B2 Game apparatuses 失效
游戏机

Game apparatuses
Abstract:
Game apparatus, e.g., a game racquet or a golf club, with selectively variable and maintainable weight distribution, e.g. by moving material (e.g., liquid and/or solid weight members) within or on the apparatus and selectively positioning the weight(s) and maintaining weight position in or on the apparatus.
Public/Granted literature
Information query
Patent Agency Ranking
0/0