- 专利标题: Hearing protector headband
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申请号: US29615634申请日: 2017-08-30
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公开(公告)号: USD830642S1公开(公告)日: 2018-10-09
- 设计人: Douglas D. Fletcher , Eric O. Hemberg , Oscar M. Hemberg , Edvard B. E. Mänsson , Angela L. Pan , Gregory G. Jager
- 申请人: 3M INNOVATIVE PROPERTIES COMPANY
- 申请人地址: US MN St. Paul
- 专利权人: 3M INNOVATIVE PROPERTIES COMPANY
- 当前专利权人: 3M INNOVATIVE PROPERTIES COMPANY
- 当前专利权人地址: US MN St. Paul
- 代理商 Irina Hass
- LOC分类号: 29-02
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