IP Library Assignment 007097/0434
Patent Assignment
Reel/Frame 007097/0434

Assignment of Assignor's Interest

Recorded: 1994-08-11 Pages: 2
Assignors
TCHAKAROV, BORIS
Executed: 1993-09-09
EARL, LEON
Executed: 1993-09-09
Assignee
BOB FOURNET COMPANY, THE
311 WALL STREET, LAFAYETTE,, LOUISIANA, 70506
Covered Property (1)
Self-Adjusting Centralizer
Patent: 5,348,091 →
Application: 08/107,092 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignor's Interest Dec 2, 1997
From: BOB FOURNET COMPANY, THE
To: COMPUTALOG LTD.
Reel/Frame 008829/0698 →
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 →
Assignment of Assignor's Interest Apr 21, 2006
From: PRECISION ENERGY SERVICES LTD.
To: PRECISION ENERGY SERVICES ULC
Reel/Frame 017507/0031 →
Assignment of Assignor's Interest Apr 26, 2006
From: PRECISION ENERGY SERVICES ULC
To: WEATHERFORD CANADA PARTNERSHIP
Reel/Frame 017527/0191 →