Patent Assignment
Reel/Frame 025852/0189
Assignment of Assignor's Interest
Recorded: 2011-02-23
Pages: 4
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032
Covered Property
(1)
Shear Blade Geometry and Method
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.