发明名称 Water ski
摘要 A water ski having a fin mounted to an inflexible carrier and protruding through a rear portion of the ski in order that the user may take advantage of the natural flexibility of the ski to vary the depth of the fin in the water during use.
申请公布号 US5868595(A) 申请公布日期 1999.02.09
申请号 US19900585921 申请日期 1990.09.21
申请人 LOPES, TIMOTHY MICHAEL 发明人 LOPES, TIMOTHY MICHAEL
分类号 B63B35/81;(IPC1-7):B63B35/81 主分类号 B63B35/81
代理机构 代理人
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