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APPARATUS AND METHODS FOR GUIDING TOOLFACE ORIENTATION

12/855,035 | U.S. Patent Application

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Filed Aug. 12, 2010
Examiner STEPHENSON, DANIEL P
Class 175
Art Group 3676
Patent No. 8,528,663
Case Type Utility
Status Patented Case
Child 90/015,132 Reexamination Certificate Issued
Last Updated: 2 months, 2 weeks ago
Date # Transaction