Assignment of Assignor's Interest

Recorded: 2004-03-08 Pages: 4

Assignors

COOK, ROBERT LANCE

Executed: 2004-02-24

RING, LEV

Executed: 2004-02-20

Assignee

ENVENTURE GLOBAL TECHNOLOGY

16200 A PARK ROW, HOUSTON, TEXAS, 77084

Covered Property (1)

Mono-Diameter Wellbore Casing

Patent: 7,185,710 →

Application: 10/465,835 →

Publication: US 2004/0118574