申请人 |
SHELL OIL COMPANY;VINEGAR, HAROLD, J.;BURNETT, ROBERT, REX;SAVAGE, WILLIAM, MOUNTJOY;CARL, FREDERICK, GORDON, JR.;BERCHENKO, ILYA, EMIL |
发明人 |
VINEGAR, HAROLD, J.;BURNETT, ROBERT, REX;SAVAGE, WILLIAM, MOUNTJOY;CARL, FREDERICK, GORDON, JR.;BERCHENKO, ILYA, EMIL |