IP Library Assignment 023181/0424
Patent Assignment
Reel/Frame 023181/0424

Assignment of Assignor's Interest

Recorded: 2009-09-02 Pages: 5
Assignors
TANG, CAIMU
Executed: 2009-07-23
BEATTIE, MARK S
Executed: 2009-07-24
Assignee
SMITH INTERNATIONAL INC.
1310 RANKIN RD., HOUSTON, TEXAS, 77073
Covered Property (1)
Telemetry Coding and Surface Detection for a Mud Pulser
Patent: 8,730,764 →
Application: 12/512,222 →
Publication: US 2011/0026362
Related Assignments (1)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →