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Device for skimming
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Patent number 5,806,607
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Issue date Sep 15, 1998
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Thames Water Utilities Limited
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Trevor G. Sanders
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Earth moving scraper
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Patent number 4,398,363
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Issue date Aug 16, 1983
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Richard B. Miskin
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Earth moving scraper
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Patent number 4,388,769
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Issue date Jun 21, 1983
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Richard B. Miskin
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Earth moving scraper
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Patent number 4,383,380
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Issue date May 17, 1983
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Richard B. Miskin
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Pullyoke assembly for a scraper
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Patent number 4,328,630
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Issue date May 11, 1982
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General Motors Corporation
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Richard A. Hood
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Tractor-scraper transport bracket
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Patent number 4,090,724
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Issue date May 23, 1978
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Caterpillar Tractor Co.
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Thomas R. Hamilton
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Bail for push-pull scraper
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Patent number 4,078,820
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Issue date Mar 14, 1978
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Caterpillar Tractor Co.
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Jack H. Trittipoe
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B60 - VEHICLES IN GENERAL
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Force transmitting connection
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Patent number 3,997,275
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Issue date Dec 14, 1976
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Caterpillar Tractor Co.
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Roger R. Mitchell
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Loading method
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Patent number 3,945,519
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Issue date Mar 23, 1976
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Atlas Copco Aktiebolag
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Sven Erik Nore Eriksson
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3923322
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Patent number 3,923,322
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Issue date Dec 2, 1975
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B60 - VEHICLES IN GENERAL
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3917089
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Patent number 3,917,089
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Issue date Nov 4, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3906613
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Patent number 3,906,613
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Issue date Sep 23, 1975
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B60 - VEHICLES IN GENERAL
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3893250
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Patent number 3,893,250
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Issue date Jul 8, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3891003
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Patent number 3,891,003
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Issue date Jun 24, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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3890726
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Patent number 3,890,726
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Issue date Jun 24, 1975
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING