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Powered air breathing apparatus
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Patent number 11,707,638
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Issue date Jul 25, 2023
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3M Innovative Properties Company
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Albert F. Zwolinsky
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Powered air breathing apparatus
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Patent number 10,695,592
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Issue date Jun 30, 2020
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3M Innovative Properties Company
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Albert F. Zwolinsky
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Breathing apparatus
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Patent number 10,668,307
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Issue date Jun 2, 2020
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Scott Health & Safety Ltd.
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Albert F. Zwolinsky
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Breathing mask
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Patent number D758563
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Issue date Jun 7, 2016
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Scott Health & Safety Ltd.
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Albert F. Zwolinsky
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D24 - Medical and laboratory equipment
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Blower unit for breathing mask
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Patent number D687944
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Issue date Aug 13, 2013
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Scott Health & Safety Ltd.
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Albert F. Zwolinsky
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D24 - Medical and laboratory equipment
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Breathing mask
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Patent number D676128
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Issue date Feb 12, 2013
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Scott Health & Safety Ltd.
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Kevin Dolan
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D24 - Medical and laboratory equipment
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Breathing mask
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Patent number D676129
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Issue date Feb 12, 2013
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Scott Health & Safety Ltd.
-
Kevin Dolan
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D24 - Medical and laboratory equipment
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Breathing mask
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Patent number D676127
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Issue date Feb 12, 2013
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Scott Health & Safety Ltd.
-
Kevin Dolan
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D24 - Medical and laboratory equipment
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Breathing mask
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Patent number D668758
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Issue date Oct 9, 2012
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Scott Health & Safety Ltd.
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Christopher G. Hall
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D24 - Medical and laboratory equipment
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Breathing mask
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Patent number D668327
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Issue date Oct 2, 2012
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Scott Health & Safety Ltd.
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Christopher Sumner
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D24 - Medical and laboratory equipment