IP Library › Assignment 037589/0436
Patent Assignment
Reel/Frame 037589/0436

Assignment of Assignor's Interest

Recorded: 2016-01-26 Pages: 3
Assignors
CAMWELL, PAUL
Executed: 2013-04-15
DRUMHELLER, DOUGLAS S.
Executed: 2015-11-20
Assignee
XACT DOWNHOLE TELEMETRY INC.
906 55 AVENUE NE, CALGARY, ALBERTA, T2E 6Y4, CANADA
Covered Property (1)
Acoustic Receiver for Use on a Drill String
Application: 14/775,477 →
Publication: US 2016/0024913
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 →