申请人 |
ION GEOPHYSICAL CORPORATION;PAVEL, DENNIS, R.;ELDER, ALFRED, KEITH;EPERJESI, RICHARD;HOFLAND, GREGG, S.;WILLIAMS, MARTIN, C.;HOENMANS, SCOTT, T.;BULL, ANDREW;FAICHNEY, ALAN |
发明人 |
PAVEL, DENNIS, R.;ELDER, ALFRED, KEITH;EPERJESI, RICHARD;HOFLAND, GREGG, S.;WILLIAMS, MARTIN, C.;HOENMANS, SCOTT, T.;BULL, ANDREW;FAICHNEY, ALAN |