Patent Assignment
Reel/Frame 021189/0286
Assignment of Assignor's Interest
Recorded: 2008-06-27
Pages: 5
Assignors
CAMWELL, PAUL L.
Executed: 2007-05-23
NEFF, JAMES M.
Executed: 2007-05-23
LOGAN, DEREK W.
Executed: 2007-05-23
Assignee
EXTREME ENGINEERING LTD.
BAY 14, 5925 - 12TH STREET S.E., CALGARY, ALBERTA, T2H 2M3, CANADA
Covered Property
(1)
Drill String Telemetry Methods and Apparatus
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Jul 9, 2008
From: EXTREME ENGINEERING LTD.
To: XACT DOWNHOLE TELEMETRY INC.
Reel/Frame 021257/0948 →
Assignment of Assignor's Interest
Jun 19, 2019
From: XACT DOWNHOLE TELEMETRY INC.
To: BAKER HUGHES CANADA COMPANY
Reel/Frame 049513/0022 →
Assignment of Assignor's Interest
Jun 19, 2019
From: BAKER HUGHES CANADA COMPANY
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 049519/0660 →
Assignment of Assignor's Interest
Dec 23, 2020
From: XACT DOWNHOLE TELEMETRY LLC
To: BAKER HUGHES OILFIELD OPERATIONS LLC
Reel/Frame 054735/0712 →