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Rigging connection assembly
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Patent number 4,412,499
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Issue date Nov 1, 1983
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Schaefer Marine, Inc.
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Eric R. D. Hall
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Mast shroud system
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Patent number 4,313,391
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Issue date Feb 2, 1982
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Schaefer Marine, Inc.
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Eric R. D. Hall
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT
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Goose-neck fitting
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Patent number 4,114,551
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Issue date Sep 19, 1978
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Schaefer Marine Products
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Eric R. D. Hall
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B63 - SHIPS OR OTHER WATERBORNE VESSELS RELATED EQUIPMENT