发明名称 Bed covering securement system
摘要 A bed covering securement system for a waterbed mattress includes a friction strip secured to the bed covering engagement surface of the peripheral sidewall of a waterbed liner. The friction strip is of a shape and material such that the coefficient of friction between the strip and bed coverings is greater than the coefficient of friction between the liner sidewall and bed coverings.
申请公布号 US5117520(A) 申请公布日期 1992.06.02
申请号 US19910675683 申请日期 1991.03.27
申请人 LARSON, LYNN D. 发明人 LARSON, LYNN D.
分类号 A47C21/02;A47C27/08 主分类号 A47C21/02
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