发明名称 Multi-purpose key ring
摘要 A multi-purpose key ring comprises a pouch having a closable opening and adapted to receive coins, a ring adapted to hold keys and attached to the pouch, and a timer attached to the pouch, settable to a selected one of a plurality of time periods, and having a sounder for signaling the end of the selected time period a predetermined time before the end of the selected time period. The ring can be configured as a bottle opener and a prying tool for a liftable tab of a beverage can.
申请公布号 US5438555(A) 申请公布日期 1995.08.01
申请号 US19940270915 申请日期 1994.07.05
申请人 KIM, HO C. 发明人 KIM, HO C.
分类号 A44B15/00;G04B47/00;(IPC1-7):G04B47/00 主分类号 A44B15/00
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