发明名称 Adjustable ladder
摘要 A ladder that would have a plurality of legs that would be independently adjustable from each other is disclosed. Each leg would have an incorporated adjustable leg that could be set at a varying height, with each adjustable leg having a non-skid pad on the bottom to minimize the risk that the ladder would slip when in use.
申请公布号 US6729440(B1) 申请公布日期 2004.05.04
申请号 US20020247040 申请日期 2002.09.18
申请人 BAILEY ROBERT 发明人 BAILEY ROBERT
分类号 E06C7/08;E06C7/44;(IPC1-7):E06C1/00;F16M11/26 主分类号 E06C7/08
代理机构 代理人
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