发明名称 Pneumatic ball amusement game
摘要 A pneumatic call amusement game is provided and consists of players rolling balls across playing tables in which the balls are pneumatically propelled into hoppers spaced back from and elevated above the table until one of the players places a predetermined amount of balls into the respective hopper needed to win.
申请公布号 US4838550(A) 申请公布日期 1989.06.13
申请号 US19880192775 申请日期 1988.05.10
申请人 WALKER, HOWARD;WALKER, CHARLES 发明人 WALKER, HOWARD;WALKER, CHARLES
分类号 A63F7/06 主分类号 A63F7/06
代理机构 代理人
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