申请人 |
VARCO I/P, INC.;LUCAS, BRIAN;SCHATS, MICHAEL, ANTOON, HERMAN;DE PONT, ALBERT, PATRICK, JOZEF, MARIA;DEKKER, PIETER;KRIJNEN, ANTONIUS, DIMPHENA, MARIA |
发明人 |
SCHATS, MICHAEL, ANTOON, HERMAN;DE PONT, ALBERT, PATRICK, JOZEF, MARIA;DEKKER, PIETER;KRIJNEN, ANTONIUS, DIMPHENA, MARIA |