Patent Assignment
Reel/Frame 030015/0022
Assignment of Assignor's Interest
Recorded: 2013-03-15
Pages: 7
Assignors
CARBAUGH, WILLIAM L.
Executed: 2013-03-07
CHILDERS, LEONARD G.
Executed: 2013-03-11
LEBLANC, JOHN R.
Executed: 2013-03-07
Assignee
HYDRIL USA MANUFACTURING LLC
4424 WEST SAM HOUSTON PARKWAY NORTH, SUITE 100, HOUSTON, TEXAS, 77041
Covered Property
(1)
Gas Handler, Riser Assembly, and Method
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.