Patent Assignment
Reel/Frame 023370/0843
Assignment of Assignor's Interest
Recorded: 2009-10-14
Pages: 5
Assignors
HALL, DAVID R.
Executed: 2009-10-14
WEBB, CASEY
Executed: 2009-10-14
HYER, DAVIDO L.
Executed: 2009-10-12
Assignee
NOVADRILL, INC.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Fixed Bladed Drill Bit Force Balanced by Blade Spacing
Application:
12/578,916 →
Publication:
US 2011/0083906
Related Assignments
(3)
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
Jan 19, 2012
From: SCHLUMBERGER TECHNOLOGY
To: NOVATEK, INC.
Reel/Frame 027562/0597 →
Assignment of Assignor's Interest
Mar 11, 2015
From: NOVATEK, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 035140/0422 →