发明名称 Float assembly light indicator for Christmas tree stand
摘要 A float assembly light indicator for use in detecting water levels within a container, such as a Christmas tree stand, includes a float housing having multiple float switches therein and are operably connected to a remotely locatable water level light indicator.
申请公布号 US7471206(B1) 申请公布日期 2008.12.30
申请号 US20060468454 申请日期 2006.08.30
申请人 ELLERMAN DAVID CHRISTIAN 发明人 ELLERMAN DAVID CHRISTIAN
分类号 G08B21/00 主分类号 G08B21/00
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