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Dudley J. Perio, JR.
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Austin, TX, US
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Patents Grants
last 30 patents
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Patent Grant
Pushing or pulling device
Patent number
8,286,943
Issue date
Oct 16, 2012
Express Energy Services Operating LP
Jerry W. Noles, Jr.
E21 - EARTH DRILLING MINING
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Patent Grant
Method and apparatus for drilling and servicing subterranean wells...
Patent number
7,469,755
Issue date
Dec 30, 2008
Terence Borst
E21 - EARTH DRILLING MINING
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Patent Grant
Magnetic assemblies for deposit prevention and methods of use
Patent number
7,353,873
Issue date
Apr 8, 2008
Terence Borst
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Patents Applications
last 30 patents
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Patent Application
METHOD AND APPARATUS FOR DRILLING AND SERVICING SUBTERRANEAN WELLS...
Publication number
20090126946
Publication date
May 21, 2009
Terence Borst
E21 - EARTH DRILLING MINING
Information
Patent Application
METHOD AND APPARATUS FOR DRILLING AND SERVICING SUBTERRANEAN WELLS...
Publication number
20090114403
Publication date
May 7, 2009
Terence Borst
E21 - EARTH DRILLING MINING