IP Library › Assignment 022731/0012
Patent Assignment
Reel/Frame 022731/0012

Assignment of Assignor's Interest

Recorded: 2009-05-26 Pages: 5
Assignors
HAMPTON, DAVID W.
Executed: 2009-02-26
KRAMM, ROBERT C.
Executed: 2009-02-26
Assignee
OCCIDENTAL CHEMICAL CORPORATION
5005 LBJ FREEWAY, SUITE 2200, DALLAS, TEXAS, 75244
Covered Property (1)
Detecting Fluids in a Wellbore
Patent: 8,141,633 →
Application: 12/411,145 →
Publication: US 2010/0243241
Related Assignments (3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 8, 2009
From: OCCIDENTAL CHEMICAL CORPORATION
To: OCCIDENTAL CHEMICAL CORPORATION; OXY USA INC.
Reel/Frame 023617/0890 →
Corrective Assignment to Correct the Receiving Party Data Previously Recorded on Reel 023617 Frame 0890. Assignor(S) Hereby Confirms the Assignment Document. Mar 24, 2010
From: OCCIDENTAL CHEMICAL CORPORATION
To: OXY USA INC.
Reel/Frame 024131/0632 →
Assignment of Assignor's Interest May 2, 2012
From: OCCIDENTAL CHEMICAL CORPORATION
To: OXY USA INC.
Reel/Frame 028143/0013 →