Wellhead isolation tool | Patent Publication Number 20020117298
US 20020117298 A1Patent NumberUS 06557629 B2
Application Number9967354
Filled DateSep 28, 2001
Priority DateSep 29, 2000
Publication DateAug 29, 2002
Original AssigneeFmc Corporation
Current AssigneeFmc Corporation
Inventor/ApplicantsGeorge E. Guthrie
Henry Wong
George E. Guthrie
Henry Wong
Roy W. Benefield
Christopher P. Egan
Christopher P. Egan
Roy W. Benefield
Henry Wong
George E. Guthrie
Henry Wong
Roy W. Benefield
Christopher P. Egan
Christopher P. Egan
Roy W. Benefield
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