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Roger Fincher Larry Watkins Peter Aronstam

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BAKER HUGHES INCORPORATED

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APPARATUS AND METHODS FOR POWERING DOWNHOLE ELECTRICAL DEVICES

10/819,664 | U.S. Patent Application

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Location ELECTRONIC

Filed April 7, 2004

Examiner DANIEL P STEPHENSON

Class 175

Art Group 3672

Patent No. 7,219,722

Case Type Utility - 175/057000

Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362

Child 11/752,108 Patented

Last Updated: 4 years, 5 months ago

Date	#	Transaction
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APPARATUS AND METHODS FOR POWERING DOWNHOLE ELECTRICAL DEVICES

10/819,664 | U.S. Patent Application

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