发明名称 Tree bark protector
摘要 A shield made of high impact polyurethane plastic, molded in two half sections which can be fitted over the base portion of a tree trunk where it widens into the soil. The shield includes anchors for a bottom flange and provides for enlarging a top, flange defined hole. The facing edges of the half sections accommodate molded locking connectors in enlarged or swollen portions.
申请公布号 US4700507(A) 申请公布日期 1987.10.20
申请号 US19860846067 申请日期 1986.03.31
申请人 ALLEN, CHARLES R. 发明人 ALLEN, CHARLES R.
分类号 A01G13/02;A01G13/10;(IPC1-7):A01G13/02 主分类号 A01G13/02
代理机构 代理人
主权项
地址