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DRILLING APPARATUS WITH REDUCED EXPOSURE OF CUTTERS AND METHODS OF DRILLING

12/906,713 | U.S. Patent Application

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Location ELECTRONIC
Filed Oct. 18, 2010
Examiner DANIEL P STEPHENSON
Class 175
Art Group 3676
Patent No. 8,066,084
Case Type Utility - 175/057000
Status Patented Case
Parent 11/507,279 Patented
Parent 11/214,524 Patented
Parent 10/861,129 Patented
Parent 10/266,534 Patented
Parent 09/738,687 Patented
Parent 09/383,228 Patented
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Last Updated: 2 years, 10 months ago
Date # Transaction