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3309802
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Patent number 3,309,802
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Issue date Mar 21, 1967
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3032899
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Patent number 3,032,899
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Issue date May 8, 1962
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3025618
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Patent number 3,025,618
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Issue date Mar 20, 1962
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2990631
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Patent number 2,990,631
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Issue date Jul 4, 1961
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2946146
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Patent number 2,946,146
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Issue date Jul 26, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2935801
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Patent number 2,935,801
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Issue date May 10, 1960
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2867046
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Patent number 2,867,046
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Issue date Jan 6, 1959
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2828557
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Patent number 2,828,557
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Issue date Apr 1, 1958
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2787844
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Patent number 2,787,844
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Issue date Apr 9, 1957
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2723473
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Patent number 2,723,473
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Issue date Nov 15, 1955
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2620575
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Patent number 2,620,575
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Issue date Dec 9, 1952
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B60 - VEHICLES IN GENERAL
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2549953
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Patent number 2,549,953
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Issue date Apr 24, 1951
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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2381085
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Patent number 2,381,085
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Issue date Aug 7, 1945
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2153037
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Patent number 2,153,037
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Issue date Apr 4, 1939
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1987928
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Patent number 1,987,928
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Issue date Jan 15, 1935
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1974668
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Patent number 1,974,668
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Issue date Sep 25, 1934
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1877556
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Patent number 1,877,556
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Issue date Sep 13, 1932
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1785353
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Patent number 1,785,353
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Issue date Dec 16, 1930
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1782478
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Patent number 1,782,478
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Issue date Nov 25, 1930
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1733427
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Patent number 1,733,427
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Issue date Oct 29, 1929
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1717476
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Patent number 1,717,476
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Issue date Jun 18, 1929
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1707062
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Patent number 1,707,062
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Issue date Mar 26, 1929
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1703320
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Patent number 1,703,320
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Issue date Feb 26, 1929
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1664634
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Patent number 1,664,634
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Issue date Apr 3, 1928
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1633311
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Patent number 1,633,311
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Issue date Jun 21, 1927
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1614070
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Patent number 1,614,070
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Issue date Jan 11, 1927
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1577761
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Patent number 1,577,761
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Issue date Mar 23, 1926
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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1545985
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Patent number 1,545,985
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Issue date Jul 14, 1925
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING