发明名称 Threshold protective cover
摘要 A threshold protector to be used during the construction of a house or building is an apparatus made of durable material covering the threshold, contacting the back and front of the threshold and removably attached to the threshold.
申请公布号 US6216395(B1) 申请公布日期 2001.04.17
申请号 US19990247798 申请日期 1999.02.08
申请人 KELLY DONALD R. 发明人 KELLY DONALD R.
分类号 E06B1/70;(IPC1-7):E06B1/70 主分类号 E06B1/70
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