Assignment of Assignor's Interest

Recorded: 2009-02-10 Received: 2009-02-10 Pages: 4

Assignor

SLIDER LIMITED LIABILITY COMPANY

Executed: 2008-08-25

Assignee

SMITH INTERNATIONAL, INC.

16740 HARDY ST., HOUSTON, TX, 77032, UNITED STATES

Covered Properties (4)

Method of Directional Drilling with Steerable Drilling Motor

Application: 11/524,009 →

PCT: PCTUS2007078083 ↗

Method of and Apparatus for Directional Drilling

Application: 10/613,519 →

Continuous on-Bottom Directional Drilling Method and System

Application: 10/612,277 →

Method of and Apparatus for Directional Drilling

Application: 10/325,639 →