发明名称 Bi-sectional bedding material
摘要 A bedding system comprising a fitted sheet having two sections, each section made of a different fabric and a flat sheet having two sections each section being of a different fabric such that the different materials cause different warming characteristics.
申请公布号 US7200883(B2) 申请公布日期 2007.04.10
申请号 US20050147142 申请日期 2005.06.07
申请人 HAGGERTY DAVID W 发明人 HAGGERTY DAVID W.
分类号 A47G9/02 主分类号 A47G9/02
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