Patent Assignment
Reel/Frame 022877/0255
Assignment of Assignor's Interest
Recorded: 2009-06-25
Pages: 3
Assignee
HALL, DAVID R., MR.
2185 SOUTH LARSEN PARKWAY, PROVO, UTAH, 84606
Covered Property
(1)
Resilient Pick Shank
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 24, 2010
From: HALL, DAVID R., MR.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 023982/0922 →
Assignment of Assignor's Interest
Jul 3, 2013
From: SCHLUMBERGER TECHNOLOGY CORPORATION
To: NOVATEK INC.
Reel/Frame 030734/0386 →
Merger
Jul 26, 2022
From: NOVATEK, INC.
To: SCHLUMBERGER TECHNOLOGY CORPORATION
Reel/Frame 060622/0839 →