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ROTARY DRAG BIT AND METHODS THEREFOR

12/20,399 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 25, 2008
Examiner KENNETH L THOMPSON
Class 175
Art Group 3676
Case Type Utility - 175/057000
Status Abandoned -- Failure to Respond to an Office Action
Parent 60/897,457 Expired
Last Updated: 5 years, 11 months ago
Date # Transaction