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Portable ventilator
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Patent number 7,032,589
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Issue date Apr 25, 2006
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The Johns Hopkins University
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Charles W. Kerechanin, II
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Emergency life support system
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Patent number 6,848,444
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Issue date Feb 1, 2005
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The Johns Hopkins University
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Dexter G. Smith
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Low-pressure valve
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Patent number 6,647,983
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Issue date Nov 18, 2003
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The Johns Hopkins University
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Dexter G. Smith
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Low cost controller
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Patent number 5,627,746
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Issue date May 6, 1997
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Noise Cancellation Technologies, Inc.
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Eldon W. Ziegler
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G10 - MUSICAL INSTRUMENTS ACOUSTICS
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