发明名称 EXERCISING BELT
摘要 A belt to be worn around the waist of the user for use as a weight-reducing device and exercising device. The belt includes spring members having arranged therein movable balls which cooperate with the spring members and associated parts.
申请公布号 US3659843(A) 申请公布日期 1972.05.02
申请号 USD3659843 申请日期 1970.10.27
申请人 JOHN KOJIGIAN JR. 发明人 JOHN KOJIGIAN JR.
分类号 A61F5/37;(IPC1-7):A63B21/26 主分类号 A61F5/37
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