专利名称：Protective beacon发明人：Michael Leigh申请号：US10415580申请日：20030430公开号：US06809651B2公开日：20041026
专利附图：
摘要：A portable beacon () for deterring damaging access to a deactivatable hazardcomprises means for deactivating the hazard in the event of actual or impendingdamaging access to the hazard, deterrence means () and sensors () for sensing whendamaging access is impending or actually occurring.
申请人：BENFELL'S LIMITED
代理机构：Dinsmore & Shohl LLP
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