Patent Assignment
Reel/Frame 021257/0948
Assignment of Assignor's Interest
Recorded: 2008-07-09
Pages: 3
Assignor
EXTREME ENGINEERING LTD.
Executed: 2008-04-08
Assignee
XACT DOWNHOLE TELEMETRY INC.
926 - 55TH AVENUE, NE, CALGARY, ALBERTA, T2E 6Y4, 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
Jun 27, 2008
From: CAMWELL, PAUL L.; NEFF, JAMES M.; LOGAN, DEREK W.
To: EXTREME ENGINEERING LTD.
Reel/Frame 021189/0286 →
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 →