Inventor
RUNQUIST RANDY
US4 patents
Patents
4 patentsUS6659202B2Dec 9, 2003
Steerable fluid hammer
VERMEER MFG CO52 citations90
US6491115B2Dec 10, 2002
Directional drilling machine and method of directional drilling
VERMEER MFG CO33 citations90
US6357537B1Mar 19, 2002
Directional drilling machine and method of directional drilling
VERMEER MFG CO39 citations90
US10124509B2Nov 13, 2018
Cutting tooth system
VERMEER MFG CO5 citations68