Patent Assignment
Reel/Frame 040805/0381
Assignment of Assignor's Interest
Recorded: 2016-12-29
Pages: 3
Assignor
RODGER, PHILIP GRAHAM
Executed: 2016-08-17
Assignee
NOV DOWNHOLE EURASIA LIMITED
STONEDALE ROAD, OLDENDS LANE STONEHOUSE, GLOUCESTERSHIRE, GL10 3RQ, UNITED KINGDOM
Covered Property
(1)
Downhole Under-Reamer and Associated Methods
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Dec 29, 2016
From: MCCARTHY, BRIAN ANDREW
To: NOV DOWNHOLE EURASIA LIMITED
Reel/Frame 040805/0339 →
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 →