发明名称 Retaining wall block with face connection
摘要 Single and multiple retaining wall blocks and block systems in which the blocks are provided with a face connection system which includes at least one front lip extending from a top surface of the block and a bottom channel formed into a front face and bottom surface of the block. The front lips have a length which is equal to the width of the blocks.
申请公布号 US8434971(B2) 申请公布日期 2013.05.07
申请号 US201213430107 申请日期 2012.03.26
申请人 DAWSON WILLIAM B.;MACDONALD ROBERT A.;CONTECH TECHNOLOGIES, INC. 发明人 DAWSON WILLIAM B.;MACDONALD ROBERT A.
分类号 E02D17/20;E04B2/00 主分类号 E02D17/20
代理机构 代理人
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