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Douglas A. Lillico
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Alberta, CA
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Patents Grants
last 30 patents
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Patent Grant
Method and apparatus for injecting one or more fluids into a borehole
Patent number
6,782,946
Issue date
Aug 31, 2004
Alberta Research Council Inc.
Ernest H. Perkins
E21 - EARTH DRILLING MINING
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Patent Grant
Method and apparatus for injecting one or more fluids into a borehole
Patent number
6,484,805
Issue date
Nov 26, 2002
Alberta Research Council Inc.
Ernest H. Perkins
E21 - EARTH DRILLING MINING
Patents Applications
last 30 patents
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Patent Application
Method and apparatus for injecting one or more fluids into a borehole
Publication number
20030066640
Publication date
Apr 10, 2003
Ernest H. Perkins
E21 - EARTH DRILLING MINING