发明名称 Golf swing training device
摘要 A golf swing training device is disclosed that includes a substantially planar surface. In use, the surface acts as a guide for the movement of a golfer's shoulders when the golfer executes a substantial portion of a backswing.
申请公布号 US7758442(B2) 申请公布日期 2010.07.20
申请号 US20090402858 申请日期 2009.03.12
申请人 LLOYD KEITH REGINALD 发明人 LLOYD KEITH REGINALD
分类号 A63B69/36 主分类号 A63B69/36
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