Patent Assignment
Reel/Frame 028694/0251
Assignment of Assignor's Interest
Recorded: 2012-08-01
Pages: 3
Assignor
ZHANG, JUN
Executed: 2012-01-24
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Property
(1)
Magnetic Ranging Tool and Method
Related Assignments
(1)
Other recorded transfers of the patent in this record — the chain of ownership.