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Respirator head harness
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Patent number D660415
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Issue date May 22, 2012
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Respirator head harness
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Patent number D638929
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Issue date May 31, 2011
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Exhale valve cover
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Patent number D630726
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Issue date Jan 11, 2011
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Respirator head cradle
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Patent number D604853
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Issue date Nov 24, 2009
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Respirator head cradle
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Patent number D583947
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Issue date Dec 30, 2008
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Full face respirator
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Patent number D574486
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Issue date Aug 5, 2008
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3M Innovative Properties Company
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James R. Betz
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D24 - Medical and laboratory equipment
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Exhale valve cover
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Patent number D569502
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Issue date May 20, 2008
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Exhale valve cover
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Patent number D569503
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Issue date May 20, 2008
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3M Innovative Properties Company
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Nathan A. Abel
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D24 - Medical and laboratory equipment
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Cover assembly for a through-penetration
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Patent number 7,114,303
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Issue date Oct 3, 2006
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3M Innovative Properties Company
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Brandon L. Cordts
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H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER