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Ocean-going catamaran
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Patent number 4,086,863
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Issue date May 2, 1978
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Aktiengesellschaft "Weser"
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Leopold Nitzki
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Catamaran vessel
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Patent number 4,008,674
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Issue date Feb 22, 1977
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Aktiengesellschaft "Weser"
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Leopold Nitzki
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Catamaran with plural drives
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Patent number 4,002,132
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Issue date Jan 11, 1977
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Aktiengesellschaft "Weser"
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Leopold Nitzki
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Catamaran
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Patent number 3,988,994
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Issue date Nov 2, 1976
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Aktiengesellschaft "Weser"
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Leopold Nitzki
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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