Patent Assignment
Reel/Frame 020232/0903
Corrective Assignment to Correct the Name of Assignee to Bj Services Company, U.S.a. Previously Recorded on Reel 018939 Frame 0577. Assignor(S) Hereby Confirms the Assignment of Assignor's Interest.
Recorded: 2007-12-12
Pages: 3
Assignor
DYNA TEST, LTD.
Executed: 2007-02-19
Assignee
BJ SERVICES COMPANY, U.S.A.
4601 WESTWAY PARK BLVD., HOUSTON, TEXAS, 77041
Covered Property
(1)
Coil Tubing Hanger and Method of Using Same
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jan 4, 2006
From: SIEBEN, DONALD
To: DYNA TEST, LTD
Reel/Frame 017162/0230 →
Assignment of Assignor's Interest
Feb 27, 2007
From: DYNA TEST, LTD.
To: BJ SERVICES COMPANY
Reel/Frame 018939/0577 →
Assignment of Assignor's Interest
Jun 29, 2011
From: BJ SERVICES COMPANY, U.S.A.
To: BAKER HUGHES INCORPORATED
Reel/Frame 026519/0520 →