发明名称 Safety trailer
摘要 The present invention is directed to differing embodiments of safety trailers, which have first and second platforms and a safety wall positioned therebetween. The platforms and safety wall define an area protected from vehicular incursions.
申请公布号 US8628110(B2) 申请公布日期 2014.01.14
申请号 US201313913868 申请日期 2013.06.10
申请人 CONCATEN, INC. 发明人 GROENEWEG KEVIN K.
分类号 G01D11/28 主分类号 G01D11/28
代理机构 代理人
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