发明名称 |
TENNIS STROKE TRAINING APPARATUS AND METHOD |
摘要 |
<p>The present invention relates to apparatus and methods for improving a stroke technique for a raquet sport comprising a frame extension or a modified-type racquet frame and a training mat. Other aspects of the invention are also provided.</p> |
申请公布号 |
WO2006017267(A2) |
申请公布日期 |
2006.02.16 |
申请号 |
WO2005US24651 |
申请日期 |
2005.07.11 |
申请人 |
SQUAREHIT SPORTS, INC.;BILSEY, RAYMOND |
发明人 |
BILSEY, RAYMOND |
分类号 |
A63B69/38 |
主分类号 |
A63B69/38 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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