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INTERNAL GATE VALVE FOR FLOW COMPLETION SYSTEMS

09/815,436 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed March 22, 2001
Examiner THOMAS A BEACH
Class 166
Art Group 3671
Patent No. 6,497,277
Case Type Utility - 166/317000
Status Patented Case
Parent 60/192,124 Expired
Child 10/213,541 Patented
Last Updated: 6 years, 1 month ago
Date # Transaction