发明名称 Personal identification number shield
摘要 A shield that is substantially planar and pliant, and includes at least two substantially parallel slits provided in the shield into which the fingers of one hand of the user may be inserted so as to wrap around the portion of the shield between those slits and retain the shield in a position to obscure visual access to the information the user wants to shield from view.
申请公布号 US5509224(A) 申请公布日期 1996.04.23
申请号 US19950408572 申请日期 1995.03.22
申请人 MARTIN, J. T. 发明人 ROY, ELIZABETH
分类号 G09F3/20;(IPC1-7):G09F21/02 主分类号 G09F3/20
代理机构 代理人
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