Patent Assignment
Reel/Frame 005282/0791
Assignment of Assignors Interest.
Recorded: 1990-04-13
Pages: 1
Assignor
FOOTE, DEAN
Executed: 1990-04-04
Assignee
COMPUTALOG LTD.
8111 WAGNER ROAD, EDMONTON, ALBERTA T6E 4N6, CANADA
Covered Property
(1)
Compressive Seal and Pressure Control Arrangements for Downhole Tools
Patent:
5,067,874 →
Application:
07/508,974 →
Related Assignments
(4)
Other recorded transfers of the patent in this record — the chain of ownership.
Change of Name Effective on 06/13/1989
Sep 16, 1991
From: COMPUTALOG GEARHART LTD.
To: COMPUTALOG LTD.
Reel/Frame 005829/0658 →
Change of Name
Jul 1, 2005
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017275/0188 →
Change of Name
Aug 3, 2005
From: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
To: PRECISION ENERGY SERVICES, LTD.
Reel/Frame 016345/0078 →
Change of Name
Feb 7, 2006
From: COMPUTALOG LTD.
To: PRECISION DRILLING TECHNOLOGY SERVICES GROUP, INC.
Reel/Frame 017230/0980 →