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METHOD AND APPARATUS FOR TRANSFERRING DRILLING ENERGY TO A CUTTING MEMBER

09/224,557 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Dec. 30, 1998
Examiner KENNETH L THOMPSON
Class 464
Art Group 3629
Patent No. 6,267,679
Case Type Utility - 464/058000
Status Patented Case
Parent 60/70,081 Expired
Child 09/918,690 Patented
Child 10/91,153 Patented
Child 13/646,324 Patented
Last Updated: 3 years, 11 months ago
Date # Transaction