Patent Assignment
Reel/Frame 024061/0397
Assignment of Assignor's Interest
Recorded: 2010-03-10
Pages: 7
Assignors
DRUMHELLER, DOUGLAS S.
Executed: 2010-02-16
CAMWELL, PAUL L.
Executed: 2010-02-11
DOPF, ANTHONY R.
Executed: 2010-02-13
LOGAN, DEREK W.
Executed: 2010-02-12
Assignee
XACT DOWNHOLE TELEMETRY INC.
930 55TH AVENUE NE, CALGARY, ALBERTA, T2E 6Y4, CANADA
Covered Property
(1)
Acoustic Isolator
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 →