发明名称 Self-administered back massage
摘要 A massaging device which is straddled over the doorstop of a door opening at an elevated location coincident with a hard-to-reach back area and held in place by the leaning weight of a user moving back and forth and up an down permitting a self-administered back massage.
申请公布号 US7087004(B1) 申请公布日期 2006.08.08
申请号 US20000609166 申请日期 2000.07.03
申请人 BERKE MICHAEL N 发明人 BERKE MICHAEL N.
分类号 A63B21/00 主分类号 A63B21/00
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