| 发明名称 |
WALL BLOCK WITH WEIGHT BEARING PADS AND METHOD OF PRODUCING WALL BLOCKS |
| 摘要 |
A wall block having at least one weight bearing pad on an upper or lower surface of the block and a compression head and methods of making the block and making walls with the block. |
| 申请公布号 |
CA2700226(A1) |
申请公布日期 |
2009.05.14 |
| 申请号 |
CA20082700226 |
申请日期 |
2008.11.07 |
| 申请人 |
KEYSTONE RETAINING WALL SYSTEMS, INC. |
发明人 |
LACROIX, DAVID M.;MACDONALD, ROBERT |
| 分类号 |
E04B2/08;B28B1/04;B28B21/12;E02D29/02;E04B1/02 |
主分类号 |
E04B2/08 |
| 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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