发明名称 Variable flight toy
摘要 A variable flight toy having a plurality of strips constructed of a resilient material folded and secured proximate their midpoints to form alternating loops with ends centrally gathered to radially extend the ends and loops to form a ball, which, when struck, the loops and ends provide non-uniform aerodynamic resistance to the flight of the ball.
申请公布号 US5186457(A) 申请公布日期 1993.02.16
申请号 US19910733867 申请日期 1991.07.22
申请人 COLE, ERIC 发明人 COLE, ERIC
分类号 A63B43/00 主分类号 A63B43/00
代理机构 代理人
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