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Esteban Palomo JR.
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Houston, TX, US
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last 30 patents
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Patent Grant
Shear ram assembly
Patent number
6,719,042
Issue date
Apr 13, 2004
Varco Shaffer, Inc.
Christopher D. Johnson
E21 - EARTH DRILLING MINING
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last 30 patents
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Patent Application
Shear ram assembly
Publication number
20040003919
Publication date
Jan 8, 2004
Christopher D. Johnson
E21 - EARTH DRILLING MINING