IP Library › Assignment 034548/0233
Patent Assignment
Reel/Frame 034548/0233

Merger

Recorded: 2014-12-18 Pages: 9
Assignor
PATHFINDER ENERGY SERVICE, LLC
Executed: 2012-12-12
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
300 SCHLUMBERGER DRIVE, SUGAR LAND, TEXAS, 77478
Covered Property (1)
At-Bit Magnetic Ranging and Surveying
Patent: 8,947,094 →
Application: 13/542,476 →
Publication: US 2013/0069655
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 17, 2012
From: SMITH INTERNATIONAL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 029143/0015 →
Assignment of Assignor's Interest Jun 14, 2013
From: MCELHINNEY, GRAHAM A.; CEH, LEON; STENERSON, KENNETH; FORBES, EUAN
To: PATHFINDER ENERGY SERVICES, LLC.
Reel/Frame 030616/0211 →