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WELLBORE CASING

09/852,027 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed May 9, 2001
Examiner JENNIFER R DOUGHERTY
Class 166
Art Group 3672
Patent No. 6,631,760
Case Type Utility - 166/242600
Status Patented Case
Parent 09/454,139 Patented
Parent 60/111,293 Expired
Last Updated: 5 years, 10 months ago
Date # Transaction