发明名称 Self-defense ring
摘要 A device used in self defense comprising a ring adapted to be worn on the little finger of the user and further comprising a top and a base. The base comprises a retractable blade mounted thereto that when fully deployed extends from the base of the ring in a direction opposite from the ring finger of the user.
申请公布号 US2005193565(A1) 申请公布日期 2005.09.08
申请号 US20050061177 申请日期 2005.02.18
申请人 KNOWLES CHARLES R. 发明人 KNOWLES CHARLES R.
分类号 B26B3/06;B26B27/00;(IPC1-7):B26B3/06 主分类号 B26B3/06
代理机构 代理人
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