Patent Assignment
Reel/Frame 018316/0776
Assignment of Assignor's Interest
Recorded: 2006-09-18
Pages: 3
Assignor
XU, YANG
Executed: 2006-09-15
Assignee
BAKER HUGHES INCORPORATED
3900 ESSEX LANE, SUITE 1200, HOUSTON, TEXAS, 77027
Covered Property
(1)
Retractable Ball Seat Having a Time Delay Material
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.