发明名称 System for playing a game
摘要 A multiplayer game, having rules with aspects of the games of Four Square and Volleyball, is played with an apparatus that can optionally be respectively disassembled and set up.
申请公布号 US7608000(B2) 申请公布日期 2009.10.27
申请号 US20080025169 申请日期 2008.02.04
申请人 BUTLER BRADLEY A 发明人 BUTLER BRADLEY A.
分类号 A63B67/00 主分类号 A63B67/00
代理机构 代理人
主权项
地址