发明名称 Film strip holder
摘要 A film strip holder for use in backlighted message displays is an extrusion having longitudinally extending, light opaque upper and lower portions and a longitudinally extending light translucent center portion such that a film strip placed between the upper and lower portions is in light transmissive relation to a light source within the display, the holder being engagable in substantially light-tight tongue and groove relationship with adjacent holders.
申请公布号 US4991334(A) 申请公布日期 1991.02.12
申请号 US19890428977 申请日期 1989.10.30
申请人 POBLOCKI & SONS, INC. 发明人 AMUNDSEN, HANQUE F. D.
分类号 G09F7/10;G09F13/04;G09F13/08 主分类号 G09F7/10
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