| 发明名称 |
BUILDING PANEL WITH WOOD FACING LAYER AND COMPOSITE SUBSTRATE BACKING LAYER |
| 摘要 |
A building product includes a wood facing layer and a composite substrate backing layer connected to a bottom face of the wood facing layer. Cooperating tongue and groove connectors with locking teeth allow two or more building products to be interconnected in an efficient and effective manner.
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| 申请公布号 |
US2010068451(A1) |
申请公布日期 |
2010.03.18 |
| 申请号 |
US20090561703 |
申请日期 |
2009.09.17 |
| 申请人 |
GRAF DAVID RICHARD;GRAF GREGORY P |
发明人 |
GRAF DAVID RICHARD;GRAF GREGORY P. |
| 分类号 |
B32B21/14;B32B3/06;B32B21/02 |
主分类号 |
B32B21/14 |
| 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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