IP Library Assignment 025206/0166
Patent Assignment
Reel/Frame 025206/0166

Assignment of Assignor's Interest

Recorded: 2010-10-27 Pages: 5
Assignors
CAMWELL, PAUL L.
Executed: 2007-05-17
NEFF, JAMES M.
Executed: 2007-05-17
Assignees
XACT DOWNHOLE TELEMETRY, INC.
5925 - 12TH STREET S.E., BAY 14, CALGARY, ALBERTA, T2H 2M3, CANADA
EXTREME ENGINEERING LTD.
5925 - 12TH STREET S.E., BAY 14, CALGARY, ALBERTA, T2H 2M3, CANADA
Covered Property (1)
Telemetry Transmitter Optimization Using Time Domain Reflectometry
Patent: 8,022,840 →
Application: 12/878,858 →
Publication: US 2011/0006910
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Oct 28, 2010
From: EXTREME ENGINEERING LTD.
To: XACT DOWNHOLE TELEMETRY, INC.
Reel/Frame 025213/0916 →
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 →