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Sleeve-fit respirator cartridge
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Patent number 10,391,338
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Issue date Aug 27, 2019
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3M Innovative Properties Company
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David M. Blomberg
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A62 - LIFE-SAVING FIRE-FIGHTING
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Respirator mask
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Patent number D795416
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Issue date Aug 22, 2017
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Filter element
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Patent number D786443
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Issue date May 9, 2017
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Filter element having a connector
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Patent number D779674
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Issue date Feb 21, 2017
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Filter cartridge
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Patent number D778430
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Issue date Feb 7, 2017
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator mask exhalation port
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Patent number D759807
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Issue date Jun 21, 2016
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator cartridge body
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Patent number D757928
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Issue date May 31, 2016
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator mask
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Patent number D754844
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Issue date Apr 26, 2016
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator mask body
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Patent number D747795
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Issue date Jan 19, 2016
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator cartridge connector
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Patent number D747470
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Issue date Jan 12, 2016
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment
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Respirator mask
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Patent number D742504
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Issue date Nov 3, 2015
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3M Innovative Properties Company
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David M. Blomberg
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D24 - Medical and laboratory equipment