申请人 |
SMITH INTERNATIONAL, INC.;SCHLUMBERGER CANADA LIMITED;SERVICES PETROLIERS SCHLUMBERGER;SCHLUMBERGER HOLDINGS LIMITED;SCHLUMBERGER TECHNOLOGY B.V.;PRAD RESEARCH AND DEVELOPMENT LIMITED;MAHAJAN, MANOJ, D.;BRIETZKE, DANIEL, W.;FULLER, NATHAN;BARNHOUSE, JAMES;ISHAK, GEORGES |
发明人 |
MAHAJAN, MANOJ, D.;BRIETZKE, DANIEL, W.;FULLER, NATHAN;BARNHOUSE, JAMES;ISHAK, GEORGES |