发明名称 Combination lighting fixture and graphic display means
摘要 A combination lighting fixture and graphic display means is disclosed for suspension from a ceiling having a concealed raceway for wiring and lighting transformers, while at the same time having an integral lighting track to which may be mounted track lights and which also produces direct downward lighting, and indirect uplighting, while providing illuminated display panels to which graphics may be applied.
申请公布号 US5025355(A) 申请公布日期 1991.06.18
申请号 US19890431292 申请日期 1989.11.03
申请人 HARWOOD, RONALD P. 发明人 HARWOOD, RONALD P.
分类号 F21S8/00;F21S8/06;F21V5/04;F21V7/00;F21V11/02;F21V11/14;F21V14/02;F21V21/005;F21V21/34;F21V23/06;G09F13/04 主分类号 F21S8/00
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