IP Library Assignment 017674/0022
Patent Assignment
Reel/Frame 017674/0022

Assignment of Assignor's Interest

Recorded: 2006-05-25 Pages: 2
Assignor
YOGESWAREN, ELAN
Executed: 2003-07-03
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property (1)
Piezocomposite Transducer for a Downhole Measurement Tool
Patent: 7,513,147 →
Application: 11/390,585 →
Publication: US 2006/0185430
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Feb 10, 2009
From: PATHFINDER ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0733 →
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →