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Flanged pipe
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Patent number 4,335,752
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Issue date Jun 22, 1982
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The Sea Horse Corporation
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Maurice N. Sumner
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F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
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Concrete removal apparatus
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Patent number 4,229,121
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Issue date Oct 21, 1980
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The Sea Horse Corporation
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Lee O. Brown
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B66 - HOISTING LIFTING HAULING
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Under water crane
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Patent number 4,203,687
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Issue date May 20, 1980
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The Sea Horse Corporation
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Maurice N. Sumner
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B66 - HOISTING LIFTING HAULING
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Under water crane
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Patent number 4,109,480
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Issue date Aug 29, 1978
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The Sea Horse Corporation
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Maurice N. Sumner
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B66 - HOISTING LIFTING HAULING