Patent Assignment
Reel/Frame 025974/0154
Assignment of Assignor's Interest
Recorded: 2011-03-17
Pages: 6
Assignors
JUDGE, ROBERT ARNOLD
Executed: 2011-03-07
DIETZ, DAVID ALBERT
Executed: 2011-03-01
DUMAN, AHMET
Executed: 2011-02-24
Assignee
HYDRIL USA MANUFACTURING LLC
3300 NORTH SAM HOUSTON PARKWAY E., HOUSTON, TEXAS, 77032
Covered Property
(1)
Mudline Managed Pressure Drilling and Enhanced Influx Detection
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.