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Dog bone chain link
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Patent number 6,170,248
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Issue date Jan 9, 2001
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Columbia Steel Casting Co., Inc.
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Garrick J. Ianello
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Tooth assembly and lock system
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Patent number 5,956,874
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Issue date Sep 28, 1999
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Columbia Steel Casting Co., Inc.
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Garrick J. Ianello
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Elongated chain link
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Patent number 5,956,936
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Issue date Sep 28, 1999
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Columbia Steel Casting Co., Inc.
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Garrick J. Ianello
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING