Patent Assignment
Reel/Frame 025198/0270
Assignment of Assignor's Interest
Recorded: 2010-10-26
Pages: 3
Assignor
DUONG, KHANH A.
Executed: 2010-10-25
Assignee
VETCO GRAY INC.
4424 WEST SAM HOUSTON PARKWAY NORTH, SUITE 100, HOUSTON, TEXAS, 77041
Covered Property
(1)
Energizing Ring Nose Profile and Seal Entrance
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.