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High speed modular sea base
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Patent number 6,609,473
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Issue date Aug 26, 2003
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The United States of America as represented by the Secretary of the Navy
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Richard A. Cavanagh
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B60 - VEHICLES IN GENERAL
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Ground effect transport system
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Patent number 6,216,599
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Issue date Apr 17, 2001
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The United States of America as represented by the Secretary of the Navy
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Richard A. Cavanagh
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B60 - VEHICLES IN GENERAL
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Air bearing pontoon system for shipping containers
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Patent number 6,164,229
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Issue date Dec 26, 2000
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The United States of America as represented by the Secretary of the Navy
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Richard A. Cavanagh
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B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Air cushion dry dock transport system
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Patent number 6,155,190
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Issue date Dec 5, 2000
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The United States of America as represented by the Secretary of the Navy
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Richard A. Cavanagh
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B60 - VEHICLES IN GENERAL