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Vam Drilling USA, Inc.
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Houston, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Shale drill pipe
Patent number
D726289
Issue date
Apr 7, 2015
Vam Drilling USA, Inc.
Mazhar Mahmood
D23 - Environmental heating and cooling
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Patents Applications
last 30 patents
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Patent Application
SHALE DRILL PIPE
Publication number
20140209394
Publication date
Jul 31, 2014
VAM DRILLING USA, INC.
Mazhar Mahmood
E21 - EARTH DRILLING MINING
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Patent Application
LANDING PIPE
Publication number
20140145432
Publication date
May 29, 2014
VAM DRILLING USA, INC.
Henry YANG
E21 - EARTH DRILLING MINING