发明申请
- 专利标题: Adjustable marker
- 专利标题(中): 可调标记
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申请号: US10164886申请日: 2002-06-10
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公开(公告)号: US20030226495A1公开(公告)日: 2003-12-11
- 发明人: Denis Courtemanche
- 主分类号: E01F009/00
- IPC分类号: E01F009/00
摘要:
An adjustable marker for delimiting boundaries comprised of a spacing rod, an anchoring peg and a pivotal connection pivotably engaging between the said spacing rod and the said anchoring peg.
公开/授权文献
- US06786173B2 Adjustable marker 公开/授权日:2004-09-07
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