发明名称 Apparatus and method for stretching calf muscles
摘要 Footwear is employed for stretching an individual's calf muscles. The footwear includes a base member and a foot support member angularly disposed relative to the base member. The angle between the base member and the foot support member can be adjusted.
申请公布号 US6589141(B1) 申请公布日期 2003.07.08
申请号 US19990452932 申请日期 1999.12.02
申请人 FLAGGS DARRYL 发明人 FLAGGS DARRYL
分类号 A63B23/00;A63B23/04;(IPC1-7):A63B21/00 主分类号 A63B23/00
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