Invention Grant
- Patent Title: Protective headgear and optical-filter cartridge removably mountable thereto
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Application No.: US14925620Application Date: 2015-10-28
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Publication No.: US09861530B2Publication Date: 2018-01-09
- Inventor: Niklas Lilenthal
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M Innovative Properties Company
- Current Assignee: 3M Innovative Properties Company
- Current Assignee Address: US MN St. Paul
- Agent Kenneth B. Wood
- Main IPC: A61F9/02
- IPC: A61F9/02 ; A61F9/06
Abstract:
Protective headgear and an optical filter cartridge that is removably mountable thereto, and methods of removably inserting such a cartridge and removing such a cartridge.
Public/Granted literature
- US20160051409A1 PROTECTIVE HEADGEAR AND OPTICAL-FILTER CARTRIDGE REMOVABLY MOUNTABLE THERETO Public/Granted day:2016-02-25
Information query
