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Anti-fog respirator
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Patent number 12,233,292
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Issue date Feb 25, 2025
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3M Innovative Properties Company
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John M. Facer
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A41 - WEARING APPAREL
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Respirator tab
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Patent number 12,186,598
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Issue date Jan 7, 2025
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3M Innovative Properties Company
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Christopher P. Henderson
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A41 - WEARING APPAREL
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Anti-fog respirator
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Patent number 11,904,191
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Issue date Feb 20, 2024
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3M Innovative Properties Company
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John M. Facer
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A41 - WEARING APPAREL
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Respirator tab
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Patent number 11,413,481
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Issue date Aug 16, 2022
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3M Innovative Properties Company
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Christopher P. Henderson
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A41 - WEARING APPAREL
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Respiratory mask
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Patent number D708734
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Issue date Jul 8, 2014
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3M Innovative Properties Company
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Desmond T. Curran
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D24 - Medical and laboratory equipment
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Respiratory mask
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Patent number D657050
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Issue date Apr 3, 2012
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3M Innovative Properties Company
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Christopher P. Henderson
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D24 - Medical and laboratory equipment
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