Patent Assignment
Reel/Frame 019155/0987
Assignment of Assignor's Interest
Recorded: 2007-04-13
Pages: 3
Assignors
SIVLEY, ROBERT S., IV
Executed: 2007-04-11
WARD, GARY W.
Executed: 2007-03-29
REYNOLDS, HARRIS A., JR.
Executed: 2007-03-29
Assignee
HYDRIL COMPANY LP
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Mid-Seal for Expandable Connections
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.