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Chinstrap connector
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Patent number 10,881,163
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Issue date Jan 5, 2021
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3M Innovative Properties Company
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Peter L. Axelsson
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A42 - HEADWEAR
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Protective helmet
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Patent number D878683
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Issue date Mar 17, 2020
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3M Innovative Properties Company
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Peter L. Axelsson
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D29 - Equipment for safety, protection, and rescue
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Safety helmet
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Patent number D813462
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Issue date Mar 20, 2018
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3M Innovative Properties Company
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Peter L. Axelsson
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D29 - Equipment for safety, protection, and rescue
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Helmet rib
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Patent number D762925
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Issue date Aug 2, 2016
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3M Innovative Properties Company
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Peter L. Axelsson
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D29 - Equipment for safety, protection, and rescue