Patent Assignment
Reel/Frame 011776/0542
Assignment of Assignor's Interest
Recorded: 2001-05-03
Pages: 3
Assignor
CALDER, IAN DOUGLAS
Executed: 2001-04-12
Assignee
ABB VETCO GRAY, INC.
3010 BRIAR PARK, HOUSTON, TEXAS, 77042
Covered Property
(1)
Rotating Drilling Head System with Static Seals
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.