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Michael Comfoltey
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Springville, UT, US
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last 30 patents
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Patent Grant
Downhole electric power generator
Patent number
8,033,328
Issue date
Oct 11, 2011
Schlumberger Technology Corporation
David R. Hall
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Patents Applications
last 30 patents
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Patent Application
Downhole Electric Power Generator
Publication number
20080047753
Publication date
Feb 28, 2008
David R. Hall
E21 - EARTH DRILLING MINING