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Modified tail fin
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Patent number 9,354,025
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Issue date May 31, 2016
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The United States of America as represented by the Secretary of the Navy
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Raafat Guirguis
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F41 - WEAPONS
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Gas-walled rocket nozzle
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Patent number 6,701,705
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Issue date Mar 9, 2004
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The United States of America as represented by the Secretary of the Navy
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Raafat H. Guirguis
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Super-cavitating penetrator warhead
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Patent number 6,601,517
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Issue date Aug 5, 2003
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The United States of America as represented by the Secretary of the Navy
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Raafat H. Guirguis
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F42 - AMMUNITION BLASTING
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Thermally actuated release mechanism
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Patent number 6,352,029
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Issue date Mar 5, 2002
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The United States of America as represented by the Secretary of the Navy
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Raafat H. Guirguis
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C06 - EXPLOSIVES MATCHES
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Liquid turbojet engine
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Patent number 4,897,995
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Issue date Feb 6, 1990
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Raafat H. Guirguis
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Two-phase engine
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Patent number 4,646,515
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Issue date Mar 3, 1987
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Raafat H. Guirguis
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F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS