申请人 |
HALLIBURTON ENERGY SERVICES, INC.;DUSTERHOFT, RONALD, G.;THORNTON, KIM, VANCE;FERGUSON, CARL, BISMARK;SIMONDS, FLOYD, RANDOLPH;GRIGSBY, TOMMY, FRANK;RICHARDS, WILLIAM, MARK;HOLDERMAN, LUKE, WILLIAM |
发明人 |
DUSTERHOFT, RONALD, G.;THORNTON, KIM, VANCE;FERGUSON, CARL, BISMARK;SIMONDS, FLOYD, RANDOLPH;GRIGSBY, TOMMY, FRANK;RICHARDS, WILLIAM, MARK;HOLDERMAN, LUKE, WILLIAM |