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DRILL BIT WITH LATERAL MOVEMENT MITIGATION AND METHOD OF SUBTERRANEAN DRILLING

09/716,626 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Nov. 20, 2000
Examiner DANIEL P STEPHENSON
Class 175
Art Group 3672
Patent No. 6,575,256
Case Type Utility - 175/431000
Status Patented Case
Parent 60/175,457 Expired
Last Updated: 5 years, 4 months ago
Date # Transaction