发明名称 Grading rake
摘要 A grading rake having a handle and a rake head, and having stiff but bendable, flexible polymer tines in the rake head, with the tines angled back toward the handle, and with the end of the tines truncated and parallel to the plane of the handle and rake head.
申请公布号 US7029198(B1) 申请公布日期 2006.04.18
申请号 US20020092082 申请日期 2002.03.06
申请人 COTTO MICHEAL E 发明人 COTTO MICHEAL E.
分类号 A01D7/02 主分类号 A01D7/02
代理机构 代理人
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