发明名称 Enhanced driver for screws and the like/leverage driver
摘要 The present invention is an improved driver with an attached pivoting lever that provides additional torque for tightening and loosening connecting means such as screws, nuts and the like.
申请公布号 US2004231471(A1) 申请公布日期 2004.11.25
申请号 US20030719653 申请日期 2003.11.21
申请人 ROTTKAMP JANIS 发明人 ROTTKAMP JANIS
分类号 B25G1/00;(IPC1-7):B25B23/16 主分类号 B25G1/00
代理机构 代理人
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