IP Library › Assignment 026217/0714
Patent Assignment
Reel/Frame 026217/0714

Assignment of Assignor's Interest

Recorded: 2011-05-03 Pages: 21
Assignor
HALL, DAVID R.
Executed: 2010-01-22
Assignee
SCHLUMBERGER TECHNOLOGY CORPORATION
5599 SAN FELIPE, SUITE 1600, HOUSTON, TEXAS, 77056
Covered Property (1)
Independently Excitable Resistivity Units
Patent: 8,299,795 →
Application: 12/341,843 →
Publication: US 2009/0160447
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Mar 10, 2010
From: NOVADRILL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 024055/0471 →
Assignment of Assignor's Interest May 3, 2011
From: TURNER, PAULA; COOK, CLINT; GEORGE, KATIE; SNYDER, HAROLD
To: NOVADRILL, INC.
Reel/Frame 026217/0709 →