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 |
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代理人 |
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主权项 |
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地址 |
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