IP Library › Assignment 018642/0289
Patent Assignment
Reel/Frame 018642/0289

Assignment of Assignor's Interest

Recorded: 2006-12-15 Pages: 2
Assignor
SHUMWAY, JIM, MR.
Executed: 2006-12-15
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property (1)
System for Steering a Drill String
Patent: 7,600,586 →
Application: 11/611,310 →
Publication: US 2008/0142264
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 024055/0378 →