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Dual jet boat pump
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Patent number 4,031,844
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Issue date Jun 28, 1977
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Hydro-Tech Corporation
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Hasan F. Onal
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Jet boat pump
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Patent number 4,004,541
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Issue date Jan 25, 1977
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Hydro-Tech Corporation
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Hasan F. Onal
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Impeller apparatus
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Patent number 3,953,150
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Issue date Apr 27, 1976
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Sundstrand Corporation
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Hasan F. Onal
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F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
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Jet boat pump
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Patent number 3,935,833
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Issue date Feb 3, 1976
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Sundstrand Corporation
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Hasan F. Onal
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT