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Charlie R. Mauldin
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Conroe, TX, US
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last 30 patents
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Patent Grant
Electropolishing method for oil field tubular goods and drill pipe
Patent number
6,523,615
Issue date
Feb 25, 2003
John Gandy Corporation
John B. Gandy
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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last 30 patents
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Patent Application
Electropolishing method for oil field tubular goods and drill pipe
Publication number
20010027867
Publication date
Oct 11, 2001
John B. Gandy
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC