Patent Assignment
Reel/Frame 011598/0352
Assignment of Assignor's Interest
Recorded: 2001-02-16
Pages: 3
Assignors
CALDER, IAN D.
Executed: 2001-02-13
JOHNSON, READY J.
Executed: 2001-02-13
NELSON, JOHN
Executed: 2001-02-13
Assignee
ABB VETCO GRAY, INC.
10777 NORTHWEST FREEWAY, HOUSTON, TEXAS, 77086
Covered Property
(1)
Apparatus and Method for Returning Drilling Fluid from a Subsea Wellbore
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.