发明名称 Oil drain funnel
摘要 A funnel of a type having a cup and a hollow stem extending from the bottom thereof whereby a plurality of struts support a member that extends upwardly from the center of the cup and is shaped so that it drivingly engages the driven end of a socket wrench.
申请公布号 US4951721(A) 申请公布日期 1990.08.28
申请号 US19890303332 申请日期 1989.01.30
申请人 MOORE, ARNOLD P.;LINN, JR., NOBEL 发明人 MOORE, ARNOLD P.;LINN, JR., NOBEL
分类号 B25B27/00;B67C11/02 主分类号 B25B27/00
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