发明名称 Contoured symmetrical differential-elasticity neck pillow
摘要 This invention relates to a contoured neck pillow. The invention consists of a central pad of polyurethane foam having a compression of about seven pounds, which is relatively softer and more elastic than a surrounding ring of polyurethane foam having a compression of about fifteen to twenty pounds. Two convoluted foam sections enclose the ring and pad, and are in turn encased within a protective cover.
申请公布号 US5588168(A) 申请公布日期 1996.12.31
申请号 US19960599482 申请日期 1996.01.23
申请人 BYRNE, THOMAS;O'CONNOR, JOHN 发明人 BYRNE, THOMAS;O'CONNOR, JOHN
分类号 A47G9/10;(IPC1-7):A47G9/00 主分类号 A47G9/10
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