Patent Assignment
Reel/Frame 015862/0863
Assignment of Assignor's Interest
Recorded: 2004-09-29
Pages: 3
Assignors
BLANKINSHIP, THOMAS J.
Executed: 2004-09-27
ROBERTS, EDWIN K.
Executed: 2004-09-27
TELLO, LUCIO N.
Executed: 2004-09-27
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
4200, 150-6TH AVENUE SW, CALGARY, ALBERTA, T2P 3Y7, CANADA
Covered Property
(1)
Ultrasonic cement scanner
Application:
10/954,124 →
Publication:
US 2006/0067162
Related Assignments
(3)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest
Feb 1, 2005
From: MICKAEL, MEDHAT W.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 016257/0318 →
Merger
Apr 15, 2005
From: COMPUTALOG U.S.A. INC.
To: PRECISION ENERGY SERVICES, INC.
Reel/Frame 016446/0385 →
Assignment of Assignor's Interest
Sep 25, 2006
From: ROXBURGH, DAVID; BEDDUS, SIMON ALEXANDER; FARLEY, PATRICK BRIAN; HOSKING, MICHAEL ROBERT
To: BRITISH TELECOMMUNICATIONS PUBLIC LIMITED COMPANY
Reel/Frame 018358/0759 →