发明名称 Article of manufacture for quickly and efficiently locking and securing the security doors of a building
摘要 An article of manufacture for quickly and efficiently locking and securing the security doors of a building with A single Allen key piece, A housing for the Allen key piece, and diamond knurling on the housing. In a preferred embodiment, the Allen key is fitted into the housing for proper use.
申请公布号 US2009100887(A1) 申请公布日期 2009.04.23
申请号 US20070975601 申请日期 2007.10.20
申请人 HAJZER GABOR;HAJZER MICHAEL 发明人 HAJZER GABOR;HAJZER MICHAEL
分类号 E05B35/00 主分类号 E05B35/00
代理机构 代理人
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