Inventor

HARRELL ALAN K

US3 patents

Patents

3 patents

US8079402B2Dec 20, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R1 citations58

US8061408B2Nov 22, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R2 citations58

US8061405B2Nov 22, 2011

Casting method for matrix drill bits and reamers

REESE MICHAEL R0 citations48