发明名称 Hot water bottle with ear warming projections
摘要 The invention comprises a hot water bottle having one or more projections extending therefrom which may be provided in different sizes so that the bottle may be used to warm the outer ear cavity to ease the pain of earaches.
申请公布号 US4034787(A) 申请公布日期 1977.07.12
申请号 US19750621222 申请日期 1975.10.09
申请人 ELLIS, EUGENE 发明人 ELLIS, EUGENE
分类号 A61F7/02;A61F7/08;A61F7/12;(IPC1-7):A61F7/12 主分类号 A61F7/02
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