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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 mask body
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Patent number D652507
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Issue date Jan 17, 2012
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3M Innovative Properties Company
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William A. Mittelstadt
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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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Small, portable power tool
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Patent number D606827
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Issue date Dec 29, 2009
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3M Innovative Properties Company
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Peter J Fritz
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D08 - Tools and hardware
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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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Dual chamber mixing gun
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Patent number D603668
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Issue date Nov 10, 2009
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3M Innovative Properties Company
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Scott D. Gullicks
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D08 - Tools and hardware
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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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Cleaning tool
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Patent number D578262
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Issue date Oct 7, 2008
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3M Innovative Properties Company
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Byron E. Trotter
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D32 - Washing, cleaning, or drying machine
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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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