IP Library Assignment 018968/0645
Patent Assignment
Reel/Frame 018968/0645

Assignment of Assignor's Interest

Recorded: 2007-03-06 Pages: 2
Assignor
DURRAND, CHRISTOPHER, MR.
Executed: 2007-03-05
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
Method for Taking Seismic Measurements
Patent: 7,969,819 →
Application: 11/682,758 →
Publication: US 2008/0217057
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 20, 2008
From: HALL, DAVID R.
To: NOVADRILL, INC.
Reel/Frame 021701/0758 →
Assignment of Assignor's Interest Mar 10, 2010
From: NOVADRILL, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 024055/0457 →