申请人 |
SHELL OIL COMPANY;SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ B.V.;CHITWOOD, JAMES SCOTT;KNOLL, DAVID ALEX;PITER, EDWARD STEPHEN;PRITCHETT, WILLIAM MICHAEL;SMITH, ROY KEITH;ULBRICHT, WILBERT RAY |
发明人 |
CHITWOOD, JAMES SCOTT;KNOLL, DAVID ALEX;PITER, EDWARD STEPHEN;PRITCHETT, WILLIAM MICHAEL;SMITH, ROY KEITH;ULBRICHT, WILBERT RAY |