IP Library › Assignment 024238/0718
Patent Assignment
Reel/Frame 024238/0718

Assignment of Assignor's Interest

Recorded: 2010-04-15 Pages: 3
Assignor
WANG, TSILI
Executed: 2009-10-07
Assignee
SMITH INTERNATIONAL, INC.
1310 RANKIN ROAD, HOUSTON, TEXAS, 77073
Covered Property (1)
Microresistivity Imaging in Conductive and Nonconductive Drilling Fluid
Patent: 8,129,994 →
Application: 12/581,245 →
Publication: US 2011/0089951
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Serial Number from 12851245 to 12581245 Previously Recorded on Reel 024238 Frame 0718. Assignor(S) Hereby Confirms the Assignment of Serial Number 12581245 from Tsili Wang to Smith International, Inc.. Apr 28, 2010
From: WANG, TSILI
To: SMITH INTERNATIONAL, INC.
Reel/Frame 024303/0678 →
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →