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经营范围
发明名称
Illuminated house address sign
摘要
A house address number sign includes a first light that is activated when the level of ambient light drops below a preset level, and a second light which is manually activated to provide an easily identified alert for emergencies or the like.
申请公布号
US6901688(B1)
申请公布日期
2005.06.07
申请号
US20040805425
申请日期
2004.03.22
申请人
KING THOMAS A.
发明人
KING THOMAS A.
分类号
G09F13/04;(IPC1-7):G09F13/04
主分类号
G09F13/04
代理机构
代理人
主权项
地址
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