发明名称 Protective roadway marker guard rails
摘要 A roadway pavement marker protective member defined by a single rail for the protection of pavement markers. A pavement marker is placed on the roadway surface and one or two of these rails are placed about the pavement marker for its protection. The protective member deflects potential hazards presented by oncoming traffic, such as snowplow machines, from the pavement marker and prevents it from being dislodged.
申请公布号 US4883384(A) 申请公布日期 1989.11.28
申请号 US19880284127 申请日期 1988.12.14
申请人 PAC-TEC, INC. 发明人 HEDGEWICK, PETER
分类号 E01F9/06 主分类号 E01F9/06
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