发明名称 Emergency flotation device
摘要 An inflatable life saving belt comprising a gas source linked to a reusable inflatable bag at multiple locations on the belt. The bags are attached to the gas source in a manner such that should one of the bags fail to deploy, the other bags can be activated.
申请公布号 US5954556(A) 申请公布日期 1999.09.21
申请号 US19980167944 申请日期 1998.10.07
申请人 POWERS, WILLIAM C. 发明人 POWERS, WILLIAM C.
分类号 B63C9/15;(IPC1-7):B63C9/08 主分类号 B63C9/15
代理机构 代理人
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