Assignment of Assignor's Interest

Recorded: 2009-12-16 Pages: 6

Assignors

HAN, WEI

Executed: 2009-09-25

ZHANG, JUN

Executed: 2009-09-29

BOONEN, PAUL

Executed: 2009-09-23

Assignee

SMITH INTERNATIONAL INC.

1310 RANKIN RD., HOUSTON, TEXAS, 77073

Covered Property (1)

Reduction of Tool Mode and Drilling Noise in Acoustic Lwd

Patent: 9,115,568 →

Application: 12/568,847 →

Publication: US 2011/0073368

Related Assignments (1)

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