发明名称 Door mounted exercizing device
摘要 An exercizing device which includes a pair of handles which are connected to an elastic cord. At the approximate midpoint of the length of the elastic cord, there is mounted a loop strap. The loop strap is to be conducted between a door and a doorjamb with the loop strap being mounted on the doorknob of the door.
申请公布号 US6450929(B1) 申请公布日期 2002.09.17
申请号 US19980039466 申请日期 1998.03.16
申请人 MARKHAM DOUGLAS J. 发明人 MARKHAM DOUGLAS J.
分类号 A63B21/055;A63B21/16;(IPC1-7):A63B21/00 主分类号 A63B21/055
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