Assignee

BIRD JAY S

US·1 granted patent·15 citations·filing 2008–2008

Technology mixB22F1 C22C1 C23C1 E21B1

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0172US8322466B2Drill bits and other downhole tools with hardfacing having tungsten carbide pellets and other hard materials and methods of making thereofBIRD JAY S·Filed 2008·Granted Dec 4, 2012·15 cites·38 claims

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