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Banded mount
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Patent number 7,424,992
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Issue date Sep 16, 2008
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Aluma-Form, Inc.
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Edward Dziedzic
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E04 - BUILDING
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Combined lockdog and kelly bar adapter
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Patent number 6,050,740
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Issue date Apr 18, 2000
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Dixie Electrical Manufacturing Company
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Edward Dziedzic
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Tubular socket drive earth anchor
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Patent number 5,653,069
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Issue date Aug 5, 1997
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Dixie Electrical Manufacturing Company
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Edward Dziedzic
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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Integral earth anchor
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Patent number 4,979,341
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Issue date Dec 25, 1990
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Dixie Electrical Manufacturing Co.
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Richard M. Norman
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E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING