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Earth leveling excavator
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Patent number 6,651,753
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Issue date Nov 25, 2003
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George R. Gauthier
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Dirt distribution method
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Patent number 5,799,736
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Issue date Sep 1, 1998
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R&R Enterprises Inc.
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Curtis R. Waldron
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Dirt distribution device
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Patent number 5,695,013
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Issue date Dec 9, 1997
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R&R Enterprises of Okezhobee Inc.
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Curtis R. Waldron
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Precision grader
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Patent number 4,113,402
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Issue date Sep 12, 1978
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John D. Schillinger
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Soil stabilizing apparatus
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Patent number 4,100,861
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Issue date Jul 18, 1978
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Gunnar Olsson
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Soil stabilizing apparatus
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Patent number 4,063,523
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Issue date Dec 20, 1977
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Gunnar H. Olsson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3804178
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Patent number 3,804,178
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Issue date Apr 16, 1974
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3638539
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Patent number 3,638,539
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Issue date Feb 1, 1972
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3539014
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Patent number 3,539,014
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Issue date Nov 10, 1970
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3534817
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Patent number 3,534,817
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Issue date Oct 20, 1970
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2953863
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Patent number 2,953,863
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Issue date Sep 27, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2875838
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Patent number 2,875,838
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Issue date Mar 3, 1959
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2826971
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Patent number 2,826,971
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Issue date Mar 18, 1958
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2826972
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Patent number 2,826,972
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Issue date Mar 18, 1958
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2434408
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Patent number 2,434,408
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Issue date Jan 13, 1948
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2351278
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Patent number 2,351,278
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Issue date Jun 13, 1944
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2108470
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Patent number 2,108,470
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Issue date Feb 15, 1938
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2101895
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Patent number 2,101,895
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Issue date Dec 14, 1937
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2065560
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Patent number 2,065,560
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Issue date Dec 29, 1936
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1926397
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Patent number 1,926,397
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Issue date Sep 12, 1933
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1514846
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Patent number 1,514,846
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Issue date Nov 11, 1924
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1339866
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Patent number 1,339,866
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Issue date May 11, 1920
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1334001
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Patent number 1,334,001
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Issue date Mar 16, 1920
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING