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Submarine plough
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Patent number 6,435,772
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Issue date Aug 20, 2002
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Soil Machine Dynamics Limited
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Alan Richard Reece
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Aircraft ground handling vehicle
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Patent number 4,997,331
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Issue date Mar 5, 1991
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Soil Machine Dynamics Limited
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Timothy W. Grinsted
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B64 - AIRCRAFT AVIATION COSMONAUTICS
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Submarine cable plough
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Patent number 4,896,998
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Issue date Jan 30, 1990
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Soil Machine Dynamics Ltd.
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Alan R. Reece
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pipeline or cable plough
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Patent number 4,802,793
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Issue date Feb 7, 1989
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Soil Machine Dynamics Limited
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Timothy W. Grinsted
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Plough assembly
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Patent number 4,664,553
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Issue date May 12, 1987
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The British Petroleum Company p.l.c.
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Timothy W. Grinsted
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Plough
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Patent number 4,655,639
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Issue date Apr 7, 1987
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The British Petroleum Company p.l.c.
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Alan R. Reece
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Trench backfill device
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Patent number 4,539,765
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Issue date Sep 10, 1985
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The British Petroleum Company p.l.c.
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Alan R. Reece
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Soil moving device
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Patent number 4,329,793
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Issue date May 18, 1982
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The British Petroleum Company Limited
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Alan R. Reece
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING