发明名称 Double Headed Hand-Powered Cultivator
摘要 A garden cultivation tool with a primary implement head demountably attached to one end of a handle and a secondary implement head demountably attachable to either side of the other end of the handle, each secondary attachment location positioned at an offset angle about the longitudinal axis relative to the primary implement head.
申请公布号 US2012217030(A1) 申请公布日期 2012.08.30
申请号 US201113036929 申请日期 2011.02.28
申请人 JOHNSON ALAN L. 发明人 JOHNSON ALAN L.
分类号 A01B1/22;A01B1/20 主分类号 A01B1/22
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