Inventor

GREIG ANGUS

GB3 patents

Patents

3 patents

US6955233B2Oct 18, 2005

Roller cone drill bit legs

SMITH INTERNATIONAL38 citations92

US6874388B2Apr 5, 2005

Method for hardfacing roller cone drill bit legs

SMITH INTERNATIONAL8 citations70

US7100712B2Sep 5, 2006

Method for hardfacing roller cone drill bit legs

SMITH INTERNATIONAL2 citations59