发明名称 Spade
摘要 A spade includes a shank, a handle coupled to the shank, and a blade coupled to the shank. A cutting tool such as a saw is coupled to the handle, which has an internal channel sized to receive the cutting tool.
申请公布号 US6560805(B2) 申请公布日期 2003.05.13
申请号 US20010877715 申请日期 2001.06.08
申请人 ALTERRA HOLDINGS CORPORATION 发明人 DALLAS EDGAR A.;BROCK MICHAEL
分类号 A01B1/02;B23D57/00;(IPC1-7):A01D11/00 主分类号 A01B1/02
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