发明名称 PORTABLE WHEELCHAIR RAMP
摘要 This invention provides a mobile wheelchair ramp comprising: (a) a main body comprising first and second ends and sides; (b) at least one wheel secured beneath the main body; (c) hand rails; and (d) at least one pair of legs for grounding the ramp; where the ramp can be transformed from an extended position to a stowed position.
申请公布号 US2009300860(A1) 申请公布日期 2009.12.10
申请号 US20090478625 申请日期 2009.06.04
申请人 CAMPBELL PATRICK L 发明人 CAMPBELL PATRICK L.
分类号 E04F11/00 主分类号 E04F11/00
代理机构 代理人
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