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Roger Pierce
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Houston, TX, US
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last 30 patents
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Patent Grant
Tension/collar/reamer assemblies and methods
Patent number
7,987,926
Issue date
Aug 2, 2011
Strataloc Technology Products LLC
Richard A. Nichols
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tension/collar/reamer assemblies and methods
Patent number
7,730,971
Issue date
Jun 8, 2010
Strataloc Technology Products LLC
Richard A. Nichols
E21 - EARTH DRILLING MINING
Information
Patent Grant
Tension/collar/reamer assemblies and methods
Patent number
7,353,888
Issue date
Apr 8, 2008
Strataloc Technology Products LLC
Richard A. Nichols
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
Information
Patent Application
Tension/Collar/Reamer Assemblies And Methods
Publication number
20110284291
Publication date
Nov 24, 2011
Strataloc Technology Products LLC
Richard A. Nichols
E21 - EARTH DRILLING MINING
Information
Patent Application
TENSION/COLLAR/REAMER ASSEMBLIES AND METHODS
Publication number
20100230167
Publication date
Sep 16, 2010
Strataloc Technology Products LLC
Richard A. Nichols
E21 - EARTH DRILLING MINING
Information
Patent Application
TENSION/COLLAR/REAMER ASSEMBLIES AND METHODS
Publication number
20080142266
Publication date
Jun 19, 2008
Richard A. Nichols
E21 - EARTH DRILLING MINING
Information
Patent Application
TENSION/COLLAR/REAMER ASSEMBLIES AND METHODS
Publication number
20070039757
Publication date
Feb 22, 2007
Richard A. Nichols
E21 - EARTH DRILLING MINING