Assignment of Assignor's Interest

Recorded: 2011-09-30 Pages: 4

Assignors

QUINTERO, LIRIO

Executed: 2011-06-23

CARDENAS, ANTONIO ENRIQUE

Executed: 2011-06-24

CLARK, DAVID E.

Executed: 2011-07-25

Assignee

BAKER HUGHES INCORPORATED

2929 ALLEN PARKWAY, SUITE 2100, HOUSTON, TEXAS, 77019-2118

Covered Property (1)

Nanofluids and Methods of Use for Drilling and Completion Fluids

Patent: 8,822,386 →

Application: 13/166,448 →

Publication: US 2012/0015852

Related Assignments (2)

Other recorded transfers of the patent in this record — the chain of ownership.