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Side snowplow including land leveler
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Patent number 10,072,387
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Issue date Sep 11, 2018
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XUZHOU XUGONG ROAD-CONSTRUCTION MACHINERY CO., LTD.
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Zonghua Song
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Road-drag
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Patent number 7,600,576
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Issue date Oct 13, 2009
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Daryl Gayer
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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Lateral plough
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Patent number 6,363,631
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Issue date Apr 2, 2002
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Donald George Cordingley
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3908289
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Patent number 3,908,289
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Issue date Sep 30, 1975
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3601910
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3466989
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3366081
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Patent number 3,366,081
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Issue date Jan 30, 1968
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3203120
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Patent number 3,203,120
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Issue date Aug 31, 1965
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3177785
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Patent number 3,177,785
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3061956
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Patent number 3,061,956
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3049822
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Patent number 3,049,822
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3015261
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Patent number 3,015,261
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E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
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3011277
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2991570
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2957256
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Patent number 2,957,256
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2940193
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2881541
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Patent number 2,881,541
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2876564
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Patent number 2,876,564
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2847772
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2806305
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2750688
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Patent number 2,750,688
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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2659988
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Patent number 2,659,988
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Issue date Nov 24, 1953
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING