Patent Assignment
Reel/Frame 025619/0200
Assignment of Assignor's Interest
Recorded: 2011-01-11
Pages: 3
Assignor
ZHANG, ZHEHUA
Executed: 2010-12-22
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD, HOUSTON, TEXAS, 77073
Covered Property
(1)
High-Shear Roller Cone and Pdc Hybrid Bit