发明名称 Vegetation maintenance system
摘要 A guard for protecting a plant, including a sheet of semi-rigid material having a top edge, a bottom edge, a first end extending between said top and bottom edges, and a second end spaced from said first end fastening means formed on said sheet for fastening said first end in overlapping relationship with said second end to form a tubular sheath for surrounding said plant.
申请公布号 US5479741(A) 申请公布日期 1996.01.02
申请号 US19940210681 申请日期 1994.03.18
申请人 UNDERWOOD, JOHN P. 发明人 UNDERWOOD, JOHN P.
分类号 A01G13/00;A01G13/02;E21B25/00;(IPC1-7):A01G13/00 主分类号 A01G13/00
代理机构 代理人
主权项
地址