Patent Assignment
Reel/Frame 031622/0179
Assignment of Assignor's Interest
Recorded: 2013-11-18
Pages: 3
Assignor
ADAM, MARK
Executed: 2013-09-09
Assignee
NOV DOWNHOLD EURASIA LIMITED
STONEDALE ROAD, OLDENDS LANE, STONEHOUSE, UNITED KINGDOM
Covered Property
(1)
Large Gauge Concentric Underreamer
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Corrective Assignment to Correct the Spelling of the Receiving Party Name Previously Recorded on Reel 031622 Frame 0179. Assignor(S) Hereby Confirms the Nov Downhole Eurasia Limited.
Jun 11, 2014
From: ADAM, MARK
To: NOV DOWNHOLE EURASIA LIMITED
Reel/Frame 033134/0405 →
Assignment of Assignor's Interest
Jun 7, 2023
From: NOV DOWNHOLE EURASIA LIMITED
To: NOV INTERNATIONAL HOLDINGS C.V.
Reel/Frame 063889/0083 →
Assignment of Assignor's Interest
Jun 9, 2023
From: NOV INTERNATIONAL HOLDINGS C.V.
To: GRANT PRIDECO, INC.
Reel/Frame 063955/0691 →