发明名称 Block system with corner block and method of manufacturing a block
摘要 A corner block and a wall block system with a corner block for forming in multiple courses a wall which includes first and second visible wall portions which meet at a corner and where the corner block has a front face and at least one side surface having a texture or pattern matching the texture or pattern of a front face of a first block of the wall system.
申请公布号 US8607522(B2) 申请公布日期 2013.12.17
申请号 US201213647083 申请日期 2012.10.08
申请人 MACDONALD ROBERT A.;KEYSTONE RETAINING WALL SYSTEMS LLC 发明人 MACDONALD ROBERT A.
分类号 E04B1/02 主分类号 E04B1/02
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