发明名称 Multi-function chair
摘要 A multi-function chair comprising a fore leg frame and a hind leg frame combined movably intercrossing each other to stand on the ground as a chair or to be folded in a straight line as a light duty truck with casters to stand and move on the ground.
申请公布号 US5160182(A) 申请公布日期 1992.11.03
申请号 US19920821442 申请日期 1992.01.16
申请人 CHANG, CHIEN I. 发明人 CHANG, CHIEN I.
分类号 A47C13/00;B62B1/12 主分类号 A47C13/00
代理机构 代理人
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