Patent Assignment
Reel/Frame 028755/0166
Assignment of Assignor's Interest
Recorded: 2012-08-09
Pages: 3
Assignor
HUANG, MING YU
Executed: 2012-06-22
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Fiber Reinforced Elastomer Anisotropic Annular Blowout Preventer
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.