Toughness optimized insert for rock and hammer bits | Patent Publication Number 20020043407

US 20020043407 A1
Patent NumberUS 06651757 B2
Application Number9858857
Filled DateMay 16, 2001
Priority DateDec 7, 1998
Publication DateApr 18, 2002
Original AssigneeSlb
Current AssigneeSlb
Inventor/ApplicantsMichael A. Siracki
Nathan Anderson
Sujian Huang
Sujian Huang
Michael A. Siracki
Nathan Anderson
Dan Belnap
Dan Belnap
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