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Self-clearing vents based on droplet expulsion
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Patent number 10,502,448
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Issue date Dec 10, 2019
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United States of America as represented by the Secretary of the Air Force
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Wesley P Hoffman
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Method of manufacture of separation devices
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Patent number 7,790,084
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Issue date Sep 7, 2010
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The United States of America as represented by the Secretary of the Air Force
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Phillip G. Wapner
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B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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Air-admittance device and method for making same
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Patent number 7,503,461
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Issue date Mar 17, 2009
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The United States of America as represented by the Secretary of the Air Force
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Wesley P. Hoffman
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Method of manufacture of baby-feeding nipple
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Patent number 6,818,162
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Issue date Nov 16, 2004
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The United States of America as represented by the Secretary of the Air Force
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Wesley P. Hoffman
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B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
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Baby-feeding nipple
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Patent number 6,588,613
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Issue date Jul 8, 2003
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The United States of America as represented by the Secretary of the Air Force
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Alexander Pechenik
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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