发明名称 BASKETBALL TRAINING SYSTEMS AND METHODS
摘要 Basketball training systems and methods are disclosed herein. In one embodiment, a basketball training apparatus includes a first rim and a second rim. The first rim has a center and the second rim has a center. The first rim rotates about its center and the second rim revolves about the center of the first rim.
申请公布号 WO2005062841(A2) 申请公布日期 2005.07.14
申请号 WO2004US42866 申请日期 2004.12.18
申请人 CHIPPERFIELD, RICHARD F. 发明人 CHIPPERFIELD, RICHARD F.
分类号 A63B47/00;A63B63/00;A63B63/08;A63B69/00;A63B69/40;A63B71/06 主分类号 A63B47/00
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