申请人 |
SHELL OIL COMPANY;HIRSCH, JOHN, MICHELE;STEGEMEIER, GEORGE, LEO;VINEGAR, HAROLD, J.;BURNETT, ROBERT, REX;SAVAGE, WILLIAM, MOUNTJOY;CARL, FREDERICK, GORDON, JR. |
发明人 |
HIRSCH, JOHN, MICHELE;STEGEMEIER, GEORGE, LEO;VINEGAR, HAROLD, J.;BURNETT, ROBERT, REX;SAVAGE, WILLIAM, MOUNTJOY;CARL, FREDERICK, GORDON, JR. |