Patent Assignment
Reel/Frame 046334/0474
Assignment of Assignor's Interest
Recorded: 2018-07-12
Pages: 3
Assignor
RUSSELL, MICHAEL KING
Executed: 2016-01-05
Assignee
SLIP CLUTCH SYSTEMS LTD
LYNWORTH HOUSE 54 HIGH STREET, PRESTBURY, CHELTENHAM, GLOUCESTERSHIRE, GL52 3AU, GREAT BRITAIN
Covered Property
(1)
Apparatus for Providing Directional Control of Bore Drilling Equipment
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Aug 4, 2021
From: SLIP CLUTCH SYSTEMS LIMITED
To: NOV DOWNHOLE EURASIA LIMITED
Reel/Frame 057081/0218 →
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 →