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Schwartz Nathan |
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1935-08-20 |
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1955-01-14 |
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Electric Storage Battery Co |
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1980-06-12 |
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Bayerische Motoren Werke AG, 8000 München |
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Drägerwerk AG, 2400 Lübeck |
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Minnesota Mining And Manufacturing Company |
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1988-05-17 |
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Minnesota Mining And Manufacturing Company |
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1989-03-30 |
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American Optical Corporation |
Filter element
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Exposure indicator with continuous alarm signal indicating multiple conditions
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Draegerwerk Ag |
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Minnesota Mining And Manufacturing Company |
Respirator having snap-fit filter cartridge
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1999-10-14 |
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Respirator mask with snap in filter cartridge
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2000-02-25 |
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2000-06-28 |
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Vase Technology |
Filter cartridge platform and filter cartridge for use on the platform
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2000-07-26 |
2003-04-22 |
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Personal respirator
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3M Innovative Properties Company |
Apparatus and method for breathing apparatus component coupling
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Bi/multi-directional filter cartridge and filter platform for mounting the cartridge thereon
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Respirator mask for filtering breathed air
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Respirator that includes an integral filter element, an exhalation valve, and impactor element
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2001-06-25 |
2010-12-14 |
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Respirator valve
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Anschlussbauteil für ein Atemschutzprodukt
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Gasmaskenfilterkanister
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Respirator hood assembly
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2003-02-12 |
2004-08-26 |
Fisher & Paykel Healthcare Limited |
Patient interface
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2003-11-07 |
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3M Innovative Properties Company |
Face mask carriage
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Tvi Corporation |
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2005-03-03 |
2008-09-02 |
3M Innovative Properties Company |
Conformal filter cartridges and methods
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2007-11-06 |
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2007-01-03 |
2008-07-10 |
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Cartridge respirator with integral filter connector
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Respirator mask body
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Filter housing
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2009-06-15 |
2011-09-27 |
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Half mask filter respirator
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2020-06-16 |
CleanSpace IP Pty Ltd |
Respirador
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2010-03-10 |
2012-03-06 |
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Respirator mask body
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Indicator arrangement, regulator release button, and breathing apparatus
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2010-07-29 |
2014-06-24 |
Jsp Limited |
Headgear-mountable respirator
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2010-12-01 |
2013-05-28 |
Resmed Limited |
Cushion for respiratory mask
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2011-04-15 |
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Filter cartridge intake profile
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2011-04-15 |
2013-03-12 |
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Filter cartridge
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2020-08-12 |
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Respiratory mask
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Face mask assembly
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