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1999-02-05 |
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Channel flow filter
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Manner of attaching component elements to filtration material such as may be utilized in respiratory masks
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Fluidic valves, agitators, and pumps and methods thereof
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Molded filter element that contains thermally bonded staple fibers and electrically-charged microfibers
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Filter element that has a thermo-formed housing around filter material
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Single piece face mask
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Nonwoven elastic fibrous webs and methods for making them
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Pleated aligned web filter
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Aligned fiber web
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Self-supporting pleated filter media
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Respiratory protection device that has rapid threaded clean air source attachment
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Conformal filter cartridges and methods
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Electret article having heteroatoms and low fluorosaturation ratio
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Electret article having high fluorosaturation ratio
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