发明名称 MULTIFUNCTION RACKET
摘要 A multifunction racket in which the head frame has multiple elongated slots and ribs positioned in each elongated slot such that the user can selectively insert shock absorbing members of different weights and shock absorbing characteristics into the elongated slots of the head frame to adjust the location of the gravity center and shock absorbing characteristic of the racket.
申请公布号 US2009082142(A1) 申请公布日期 2009.03.26
申请号 US20070858511 申请日期 2007.09.20
申请人 YUAN MIN ENTERPRISE CO., LTD. 发明人 YU KUO-PIN
分类号 A63B49/02 主分类号 A63B49/02
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