Patent Assignment
Reel/Frame 014528/0766
Assignment of Assignor's Interest
Recorded: 2004-04-19
Pages: 9
Assignors
COOK, ROBERT LANCE
Executed: 2004-03-18
HAUT, RICHARD CARL
Executed: 2004-02-26
BRISCO, DAVID P.
Executed: 2004-02-17
MACK, ROBERT DONALD
Executed: 2004-02-20
STEWART, R. BRUCE
Executed: 2004-02-24
DUELL, ALAN
Executed: 2004-02-12
RING, LEV
Executed: 2004-01-14
Assignee
SHELL OIL COMPANY
910 LOUISIANA STREET, HOUSTON, TEXAS, 77252
Covered Property
(1)
Forming a Wellbore Casing While Simultaneously Drilling a Wellbore
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.