发明名称 Portable bathtub water-level control device
摘要 An overflow protected portable bathtub water level control device comprising a main housing having two separate cavities, a flexible suction gasket, an internal float and valve mechanism with an optional temperature gauge for providing a bathtub bather with deeper bathing water.
申请公布号 US6895610(B2) 申请公布日期 2005.05.24
申请号 US20030394538 申请日期 2003.03.21
申请人 OLSON RICHARD C. 发明人 OLSON RICHARD C.
分类号 A47K3/00;E03C1/242;(IPC1-7):E03C1/00 主分类号 A47K3/00
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