IP Library › Assignment 014573/0233
Patent Assignment
Reel/Frame 014573/0233

Assignment of Assignor's Interest

Recorded: 2003-09-29 Pages: 2
Assignor
HAUGLAND, S. MARK
Executed: 2003-09-26
Assignee
PATHFINDER ENERGY SERVICES, INC.
15151 SOMMERMEYER, HOUSTON, TEXAS, 77041
Covered Property (1)
Method of Estimating Electrical Parameters of an Earth Formation with a Simplified Measurement Device Model
Patent: 7,171,310 →
Application: 10/673,843 →
Publication: US 2004/0073371
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement May 10, 2005
From: PATHFINDER ENERGY SERVICES, INC.
To: WELLS FARGO BANK, NATIONAL ASSOCIATION
Reel/Frame 015990/0026 →
Assignment of Assignor's Interest Feb 10, 2009
From: PATHFINDER ENERGY SERVICES, INC.
To: SMITH INTERNATIONAL, INC.
Reel/Frame 022231/0733 →
Release of Security Interest Mar 27, 2009
From: WELLS FARGO BANK, NATIONAL ASSOCIATION (AS ADMINISTRATIVE AGENT)
To: PATHFINDER ENERGY SERVICES, INC.
Reel/Frame 022460/0304 →
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →