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James Ray

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AUTO-DRILL, INC.

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WELL DRILLING CONTROL SYSTEM

10/178,802 | U.S. Patent Application

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Location ELECTRONIC

Filed June 24, 2002

Examiner WILLIAM P NEUDER

Class 175

Art Group 3672

Patent No. 6,994,172

Case Type Utility - 175/027000

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

Last Updated: 3 years, 11 months ago

Date	#	Transaction
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WELL DRILLING CONTROL SYSTEM

10/178,802 | U.S. Patent Application

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