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Method and apparatus for transferring drilling energy to a cutting member

09/918,690 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed July 30, 2001
Examiner KENNETH L THOMPSON
Class 464
Art Group 3629
Patent No. 6,375,573
Case Type Utility - 464/058000
Status Patented Case
Parent 09/224,557 Patented
Parent 60/70,081 Expired
Child 10/91,153 Patented
Last Updated: 4 years, 1 month ago
Date # Transaction