发明名称 Drywall knife or blade refinisher tool
摘要 Presented is a blade sharpener, resurfacer, and planer, for sharpening flat or beveled blades of a linear edged tool, such as a drywall finishing tool and other tools edges, such as concrete trowel blades. The device of the invention makes using a file for such tasks much more precise, and much safer.
申请公布号 US6848983(B2) 申请公布日期 2005.02.01
申请号 US20020322267 申请日期 2002.12.17
申请人 GALLEGOS ROY C.;GALLEGOS GERALD B. 发明人 GALLEGOS ROY C.;GALLEGOS GERALD B.
分类号 B24B3/60;B24D15/06;(IPC1-7):B24B25/00 主分类号 B24B3/60
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