发明名称 VOLLEYBALL TRAINING SYSTEM
摘要 A volleyball training system includes a volleyball, a tethering means with a first end and second end, said tethering means connected to said volleyball on said first end, a strapping means connected to said second end of said tethering means wherein the strapping means securely fastens around a human wrist.
申请公布号 US2011136596(A1) 申请公布日期 2011.06.09
申请号 US20100944078 申请日期 2010.11.11
申请人 RASMUSSEN MIKE 发明人 RASMUSSEN MIKE
分类号 A63B69/00 主分类号 A63B69/00
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