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DOWNHOLE SUB WITH HYDRAULICALLY ACTUABLE SLEEVE VALVE

61/287,150 | U.S. Patent Application

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Location ELECTRONIC
Filed Dec. 16, 2009
Case Type Provisional
Status Provisional Application Expired
Child 12/914,731 Patented
Child 14/273,989 Patented
Child 16/14,926 Pending
Child 12/830,412 Patented
Last Updated: 6 years ago
Date # Transaction