Assignment of Assignor's Interest

Recorded: 2010-09-30 Pages: 3

Assignor

MCELHINNEY, GRAHAM A

Executed: 2010-09-21

Assignee

SMITH INTERNATIONAL, INC.

1310 RANKIN RD., HOUSTON, TEXAS, 77073

Covered Property (1)

Method of Acoustic Ranging

Patent: 8,570,834 →

Application: 12/869,401 →

Publication: US 2012/0051184

Related Assignments (1)

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