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Prestressed concrete articles
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Patent number 5,065,795
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Issue date Nov 19, 1991
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General Atomics
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Richard L. Creedon
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B28 - WORKING CEMENT, CLAY, OR STONE
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Prestressed tube
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Patent number 4,840,200
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Issue date Jun 20, 1989
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General Atomics
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Richard L. Creedon
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F41 - WEAPONS
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Rail gun barrel assembly
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Patent number 4,624,173
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Issue date Nov 25, 1986
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GA Technologies Inc.
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Richard L. Creedon
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F41 - WEAPONS
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Cryostat suspension system
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Patent number 4,622,824
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Issue date Nov 18, 1986
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GA Technologies Inc.
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Richard L. Creedon
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F17 - STORING OF DISTRIBUTING GASES OR LIQUIDS
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Pipe joint
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Patent number 4,569,539
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Issue date Feb 11, 1986
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GA Technologies Inc.
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Richard L. Creedon
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Bow action valve
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Patent number 4,510,972
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Issue date Apr 16, 1985
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GA Technologies Inc.
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Richard L. Creedon
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...