Patent Assignment
Reel/Frame 021059/0143
Assignment of Assignor's Interest
Recorded: 2008-06-06
Pages: 3
Assignors
SHEN, YUELIN
Executed: 2007-12-20
ZHANG, YOUHE
Executed: 2007-12-20
ZHAN, GUODONG
Executed: 2008-01-02
Assignee
SMITH INTERNATIONAL, INC.
16740 HARDY STREET, HOUSTON, TEXAS, 77032
Covered Property
(1)
Polycrystalline Diamond Construction with Controlled Gradient Metal Content