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Diving helmet apparatus
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Patent number 11,926,398
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Issue date Mar 12, 2024
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United States of America as represented by the Secretary of the Navy
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Edward Downs
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A42 - HEADWEAR
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Bionic cochlea with fluid filled tube
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Patent number 9,789,311
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Issue date Oct 17, 2017
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The United States of America as represented by the Secretary of the Navy
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Edward F. Downs
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Radiant heat barrier insulation system
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Patent number 9,629,203
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Issue date Apr 18, 2017
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The United States of America as represented by the Secretary of the Navy
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Edward F. Downs
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H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
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Bionic cochlea
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Patent number 9,511,224
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Issue date Dec 6, 2016
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The United States of America as represented by the Secretary of the Navy
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Edward F. Downs
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A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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High noise suppression microphone
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Patent number 6,347,147
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Issue date Feb 12, 2002
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The United States of America as represented by the Sceretary of the Navy
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Edward F. Downs
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H04 - ELECTRIC COMMUNICATION TECHNIQUE
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High noise communication system
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Patent number 6,104,816
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Issue date Aug 15, 2000
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The United States of America as represented by the Secretary of the Navy
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Edward F. Downs
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A42 - HEADWEAR
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