申请人 |
HALLIBURTON ENERGY SERVICES, INC.;CREEL, PRENTICE, G.;BOATMAN, CHARLES, L.;MCDONALD, SAM, W.;TATE, RICHARD, H.;DALRYMPLE, ELDON, DWYANN;WAIN, CHRISTOPHER, PAUL |
发明人 |
CREEL, PRENTICE, G.;BOATMAN, CHARLES, L.;MCDONALD, SAM, W.;TATE, RICHARD, H.;DALRYMPLE, ELDON, DWYANN |