Patent Assignment
Reel/Frame 016754/0773
Corrective Assignment to Correct the Receiving Party Name, Previously Recorded at Reel 016107, Frame 0496.
Recorded: 2005-07-01
Pages: 4
Assignor
SIVLEY, IV, ROBERT S.
Executed: 2004-12-09
Assignee
HYDRIL COMPANY L.P.
3300 NORTH SAM HOUSTON PARKWAY EAST, HOUSTON, TEXAS, 77032
Covered Property
(1)
Expansion Pig
Related Assignments
(2)
Other recorded transfers of the patent in this record — the chain of ownership.