发明名称 WINDOW WELL COVER
摘要 A window well cover that is universal to the extent that it will work on different sizes and shapes of window wells within a certain range for each size of window well cover produced.
申请公布号 US2012174499(A1) 申请公布日期 2012.07.12
申请号 US201113005015 申请日期 2011.01.12
申请人 SIEPEL ROELOF J. 发明人 SIEPEL ROELOF J.
分类号 E04F17/06 主分类号 E04F17/06
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