PROTECTIVE HEADGEAR AND OPTICAL-FILTER CARTRIDGE REMOVABLY MOUNTABLE THERETO
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.
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Main Author | |
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Format | Patent |
Language | English |
Published |
07.08.2014
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Subjects | |
Online Access | Get full text |
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Summary: | 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. |
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Bibliography: | Application Number: US201313761433 |