发明名称 Deep root tree and shrub fertilizer stake drivers
摘要 A deep root tree and shrub fertilizer stake driver comprising an elongated tube having a hollow circular configuration and having an upper end and a lower end, a plurality of axial slots formed in the tube extending upwardly from the lower end thereof and a rigid rod having an upper end and a lower end slidably positionable within the tube of a slightly longer length as the tube.
申请公布号 US5461992(A) 申请公布日期 1995.10.31
申请号 US19930149517 申请日期 1993.11.09
申请人 SCOLLARD, ROBERT A. 发明人 SCOLLARD, ROBERT A.
分类号 A01C5/02;A01C21/00;(IPC1-7):A01C5/02 主分类号 A01C5/02
代理机构 代理人
主权项
地址