IP Library Assignment 026707/0837
Patent Assignment
Reel/Frame 026707/0837

Assignment of Assignor's Interest

Recorded: 2011-08-05 Pages: 3
Assignor
MACKENZIE, ALAN
Executed: 2011-08-04
Assignee
NOV DOWNHOLE EURASIA LIMITED
STONEDALE ROAD, OLDENDS LANE, STONEHOUSE, GL 10 3 RQ, UNITED KINGDOM
Covered Property (1)
Lockable Reamer
Patent: 8,973,680 →
Application: 13/198,594 →
Publication: US 2012/0031673
Related Assignments (2)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →