发明名称 Adjustable cushioned headrest
摘要 An adjustable assembly for securing a cushion in a plurality of positions on the seat back of a lawn chair. In a preferred embodiment, two adjustable assemblies are used to secure a cushion to the seat back. One assembly is secured to each side of the seat back.
申请公布号 US6126237(A) 申请公布日期 2000.10.03
申请号 US19990286410 申请日期 1999.04.05
申请人 RITTERHOUSE, KEITH I. 发明人 RITTERHOUSE, KEITH I.
分类号 A47C7/38;(IPC1-7):A47C1/10 主分类号 A47C7/38
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