发明名称 Portable seat cushion having pressure-reducing properties
摘要 A novel, lightweight portable seat cushion using low-to-medium density cellular elastomer foams with pressure-reducing properties to maximize user comfort and a method for manufacturing one configuration of said cushion.
申请公布号 US5855415(A) 申请公布日期 1999.01.05
申请号 US19970881640 申请日期 1997.06.24
申请人 LILLEY, JR., DANIEL T. 发明人 LILLEY, JR., DANIEL T.
分类号 A47C1/16;(IPC1-7):A47C7/02 主分类号 A47C1/16
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