Toughness optimized insert for rock and hammer bits | Patent Application Number 9858857

9858857
Not Appealed
Patent NumberUS 06651757 B2
Publication NumberUS 20020043407 A1
Filled DateMay 16, 2001
Priority DateDec 7, 1998
Inventor/ApplicantsMichael A. Siracki
Nathan Anderson
Sujian Huang
Sujian Huang
Michael A. Siracki
Nathan Anderson
Dan Belnap
Dan Belnap
ExaminesDOUGHERTY, JENNIFER R
Art Unit3672
Technology Center3600
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