IP Library › Assignment 018440/0203
Patent Assignment
Reel/Frame 018440/0203

Assignment of Assignor's Interest

Recorded: 2006-10-26 Pages: 3
Assignors
STENERSON, KENNETH
Executed: 2006-06-24
CEH, LEON
Executed: 2006-06-23
MCELHINNEY, GRAHAM
Executed: 2006-06-23
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property (1)
Apparatus and Method for Magnetizing Casing String Tubulars
Patent: 7,538,650 →
Application: 11/487,904 →
Publication: US 2008/0012672
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 →