发明名称 Earplug with articulating stem and locking features
摘要 A hearing protection device is provided including a stem, a protrusion formed on the stem, an articulation point formed on the stem, and a sound attenuating element including a cavity, where the protrusion is disposed in locking engagement within the cavity to releasably attach the stem to the sound attenuating element, and where the stem is configured to at least partially articulate about the articulation point.
申请公布号 US2007102007(A1) 申请公布日期 2007.05.10
申请号 US20060584326 申请日期 2006.10.20
申请人 FALCO ROBERT N 发明人 FALCO ROBERT N.
分类号 A61F11/00 主分类号 A61F11/00
代理机构 代理人
主权项
地址