发明名称 Racket and a Process that Allows the Entire Length of the Racket Handle Accessible to Receive Insertable and Removable Cartridge Carriers of Various Weights for Play Testing and Racket Customization
摘要 Rackets and a process that allows up to the entire length of a racket handle to receive various weight carriers enabling for selective control of overall weight, distribution of weight, balance point, swing weight, racket customization, and equalization between rackets are disclosed.
申请公布号 US2012214624(A1) 申请公布日期 2012.08.23
申请号 US201113223666 申请日期 2011.09.01
申请人 STEIN EDWARD ALLEN 发明人 STEIN EDWARD ALLEN
分类号 A63B49/04;A63B49/08 主分类号 A63B49/04
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