发明名称 Stealth traffic control sign
摘要 A traffic control signal is provided for an intersection at which a first street and a second street meet. The streets are nearly parallel. The sign is for motorists on the first street. The sign is shaped to prevent a motorist on the second street from inadvertently reading the sign.
申请公布号 US2002100408(A1) 申请公布日期 2002.08.01
申请号 US20010773076 申请日期 2001.01.31
申请人 FRICANO PHILLIP J. 发明人 FRICANO PHILLIP J.
分类号 E01F9/011;G09F7/00;(IPC1-7):E01F9/00 主分类号 E01F9/011
代理机构 代理人
主权项
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