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APPARATUS FOR FORMING WELLBORE CASING

09/850,093 | U.S. Patent Application

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Location RECORD ROOM 703-756-1800
Filed May 7, 2001
Examiner JENNIFER R DOUGHERTY
Class 166
Art Group 3672
Patent No. 6,470,966
Case Type Utility - 166/207000
Status Patented Case
Parent 09/454,139 Patented
Parent 60/111,293 Expired
Child 10/280,356 Patented
Last Updated: 6 years, 7 months ago
Date # Transaction