发明名称 Ball Throwing Device
摘要 A ball throwing device comprising a flexible line, a ball attached to one end of the line, and a connection device secured to the line at a position spaced from the ball. In one embodiment, the connection device is grasped by or attached to a non-throwing arm of a thrower. The flexible line limits the distance the ball will travel when it is thrown by the thrower.
申请公布号 US2009227399(A1) 申请公布日期 2009.09.10
申请号 US20090394743 申请日期 2009.02.27
申请人 THROWING PARTNER LLC 发明人 MCKAY DAVID LAWRENCE
分类号 A63B69/00 主分类号 A63B69/00
代理机构 代理人
主权项
地址