发明名称 Throwing technique trainer
摘要 This invention relates to a device and method for training an athlete to throw a ball, and particularly to a device and method that provides guides for optimally positioning an athlete's throwing hand and elbow prior to initiation of the throwing phase for throwing a ball.
申请公布号 US7771294(B2) 申请公布日期 2010.08.10
申请号 US20060582701 申请日期 2006.10.17
申请人 发明人 GOUCHER STEVE;NYE WILLIAM S.
分类号 A63B69/00;A63B47/00;A63B71/02 主分类号 A63B69/00
代理机构 代理人
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