Patent Assignment
Reel/Frame 038913/0316
Assignment of Assignor's Interest
Recorded: 2016-06-14
Pages: 10
Assignor
ANDERGAUGE LIMITED
Executed: 2013-07-12
Assignee
NOV DOWNHOLE EURASIA LIMITED
STONEDALE ROAD, OLDENDS LANE, STONEHOUSE, GLOUCESTERSHIRE, ENGLAND, GL10 3RQ, UNITED KINGDOM
Covered Property
(1)
Running and Cementing Tubing
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jun 14, 2016
From: EDDISON, ALAN MARTYN; ROBERTSON, LESLIE; INNES, RICHARD ALEXANDER
To: ANDERGAUGE LIMITED
Reel/Frame 038913/0244 →
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 →