发明名称 Grave marker
摘要 A marker for gravesites is provided with an identification holder which has two oppositely located parallel channels of different depth, the transparent shield having opposite edges received in each of the channels and a spring located in one of the channels for engaging the shield to urge the shield fully into the opposite channel.
申请公布号 US4285149(A) 申请公布日期 1981.08.25
申请号 US19800123427 申请日期 1980.02.21
申请人 BERRYHILL, A. J. 发明人 BERRYHILL, A. J.
分类号 E04H13/00;G09F3/20;(IPC1-7):G09F19/00 主分类号 E04H13/00
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