IP Library Assignment 018440/0308
Patent Assignment
Reel/Frame 018440/0308

Assignment of Assignor's Interest

Recorded: 2006-10-26 Pages: 2
Assignor
SUGIURA, JUNICHI
Executed: 2006-06-14
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property (1)
Apparatus and Method for Downhole Dynamics Measurements
Patent: 7,571,643 →
Application: 11/454,019 →
Publication: US 2007/0289373
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 →