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Walter Coffer
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Conroe, TX, US
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last 30 patents
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Patent Grant
Grounding of electrical structures
Patent number
7,230,808
Issue date
Jun 12, 2007
Forward Ventures, LP
Norman Kirby
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
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last 30 patents
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Patent Application
Grounding of electrical structures
Publication number
20050257946
Publication date
Nov 24, 2005
Norman Kirby
E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING