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Mobile cofferdam
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Issue date Jan 11, 1994
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The United States of America as represented by the Secretary of the Army
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Byron K. McClellan
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2580017
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Patent number 2,580,017
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Issue date Dec 25, 1951
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2524382
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Patent number 2,524,382
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Issue date Oct 3, 1950
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2065003
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Patent number 2,065,003
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Issue date Dec 22, 1936
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1949959
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Patent number 1,949,959
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Issue date Mar 6, 1934
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1894206
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Patent number 1,894,206
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Issue date Jan 10, 1933
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1870248
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Patent number 1,870,248
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Issue date Aug 9, 1932
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING