Patent Assignment
Reel/Frame 023899/0818
Assignment of Assignor's Interest
Recorded: 2010-02-04
Pages: 5
Assignors
CAMWELL, PAUL L.
Executed: 2010-02-01
WHALEN, DAVID D.
Executed: 2010-02-01
DRUMHELLER, DOUGLAS S.
Executed: 2010-02-03
Assignee
XACT DOWNHOLE TELEMETRY, INC.
926 - 55 AVE. N.E., CALGARY, AB, T2E 6Y4, CANADA
Covered Property
(1)
Parallel-Path Acoustic Telemetry Isolation System and Method
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
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 →