- 专利标题： Protective headgear with adjustable air supply
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申请号： US17569573申请日： 2022-01-06
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公开(公告)号： US11779075B2公开(公告)日： 2023-10-10
- 发明人: Jonas N. A. Frejd
- 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 Kenneth B. Wood
- 主分类号： A42B3/28
- IPC分类号： A42B3/28 ; A42B3/04
摘要：
Protective headgear including central, left lateral, and right lateral trunks, and which may include at least one external, remote handle for directing air flow.
公开/授权文献
- US20220125150A1 PROTECTIVE HEADGEAR WITH ADJUSTABLE AIR SUPPLY 公开/授权日：2022-04-28
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