发明名称 TRAIL MARKER
摘要 This disclosure is directed to a trail marker formed of readily foldable material having a tie portion reinforced by a length of flexible wire, and a connected tail portion. The reinforced tie portion is constructed so that the opposed ends thereof can be readily wrapped and secured about a tree branch or the like to mark a trail.
申请公布号 US3685482(A) 申请公布日期 1972.08.22
申请号 USD3685482 申请日期 1971.05.06
申请人 ERNEST A. RYDER 发明人 ERNEST A. RYDER
分类号 G08B5/00;(IPC1-7):G01D21/00 主分类号 G08B5/00
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