IP Library › Assignment 013926/0729
Patent Assignment
Reel/Frame 013926/0729

Assignment of Assignor's Interest

Recorded: 2003-04-01 Pages: 6
Assignors
CAMWELL, PAUL L.
Executed: 2003-03-31
SIEMENS, WENDALL L.
Executed: 2003-03-31
Assignee
EXTREME ENGINEERING LTD.
BAY 8, 6025 12TH STREET S.E., CALGARY, T2H 2K1, CANADA
Covered Property (1)
Circuit to Mitigate Transformer Shorted Turn
Patent: 6,816,053 →
Application: 10/402,989 →
Publication: US 2004/0196129
Related Assignments (4)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Aug 31, 2004
From: EXTREME ENGINEERING LTD.
To: XACT DOWNHOLE TELEMETRY INC.
Reel/Frame 015751/0484 →
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 →