Assignment of Assignor's Interest

Recorded: 2006-08-07 Pages: 5

Assignors

WELLS, LARRY

Executed: 2006-05-31

STUBSTAD, SVEIN

Executed: 2006-06-06

ERVIN, HOWARD

Executed: 2006-06-08

BRUGMAN, JAMES D.

Executed: 2006-06-08

CONOVER, PAUL

Executed: 2006-07-25

Assignee

VARCO I/P

10000 RICHMOND, HOUSTON, TEXAS, 77042

Covered Property (1)

Bit Face Orientation Control in Drilling Operations

Patent: 7,404,454 →

Application: 11/418,842 →

Publication: US 2007/0256861

Related Assignments (1)

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