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Reinforced boat hull
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Matthew D. Cain
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Watercraft hull modification
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Issue date Dec 26, 1995
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William Stuart
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Dory
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Patent number 3,943,586
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Issue date Mar 16, 1976
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John D. Palmer
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3465486
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Patent number 3,465,486
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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3331174
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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2299992
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Issue date Oct 27, 1942
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Issue date Jul 17, 1934
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT