IP Library › Assignment 017162/0230
Patent Assignment
Reel/Frame 017162/0230

Assignment of Assignor's Interest

Recorded: 2006-01-04 Pages: 2
Assignor
SIEBEN, DONALD
Executed: 2005-12-23
Assignee
DYNA TEST, LTD
1121 NORTH LONGVIEW STREET, KILGORE, TEXAS, 75662
Covered Property (1)
Coil Tubing Hanger and Method of Using Same
Patent: 7,325,600 →
Application: 11/057,214 →
Publication: US 2006/0180317
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 27, 2007
From: DYNA TEST, LTD.
To: BJ SERVICES COMPANY
Reel/Frame 018939/0577 →
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. Dec 12, 2007
From: DYNA TEST, LTD.
To: BJ SERVICES COMPANY, U.S.A.
Reel/Frame 020232/0903 →
Assignment of Assignor's Interest Jun 29, 2011
From: BJ SERVICES COMPANY, U.S.A.
To: BAKER HUGHES INCORPORATED
Reel/Frame 026519/0520 →