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ONE TRIP WELL DRILLING TO TOTAL DEPTH

11/153,156 | U.S. Patent Application

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Filed June 15, 2005
Examiner WRIGHT, GIOVANNA COLLINS
Class 175
Art Group 3672
Patent No. 7,478,686
Case Type Utility
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Child PCTUS2005021247 RO PROCESSING COMPLETED
Last Updated: 1 week, 2 days ago
Date # Transaction