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Paul L. Tasson
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Missouri City, TX, US
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last 30 patents
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Patent Grant
Rotating blowout preventer and method
Patent number
RE38249
Issue date
Sep 16, 2003
Paul L. Tasson
166 - Wells
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Patent Grant
Rotating blowout preventer and method
Patent number
5,662,171
Issue date
Sep 2, 1997
Varco Shaffer, Inc.
James D. Brugman
E21 - EARTH DRILLING MINING
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Patent Grant
Rotating blowout preventer and method
Patent number
5,588,491
Issue date
Dec 31, 1996
Varco Shaffer, Inc.
James D. Brugman
E21 - EARTH DRILLING MINING