IP Library Assignment 005062/0318
Patent Assignment
Reel/Frame 005062/0318

Assignment of Assignors Interest.

Recorded: 1989-04-10 Pages: 1
Covered Property (1)
Directional Well Control
Patent: 4,938,298 →
Application: 07/315,882 →
Related Assignments (7)
Other recorded transfers of the patent in this record — the chain of ownership.
Security Agreement Nov 7, 1997
From: PHOENIX DRILLING SERVICES, INC., A DELAWARE CORPORATION
To: GENERAL ELECTRIC CAPITAL CORPORATION, A NEW YORK CORPORATION
Reel/Frame 008811/0883 →
Asset Purchase Mar 5, 1998
From: BECFELD HORIZONTAL DRILLING SERVICES CO.
To: PHOENIX DRILLING SERVICES, INC., A DELAWARE CORPORATION
Reel/Frame 009005/0621 →
Termination of Security Interest in Patents Mar 30, 1998
From: GENERAL ELECTRIC CAPITAL CORPORATION
To: PHOENIX DRILLING SERVICES, INC.
Reel/Frame 009052/0022 →
Assignment of Assignor's Interest Aug 5, 1998
From: PHOENIX DRILLING SERVICES, INC.
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 009781/0912 →
Security Interest Feb 26, 1999
From: BLACK WARRIOR WIRELINE CORP.
To: FLEET CAPITAL CORPORATION
Reel/Frame 009781/0784 →
Assignment of Assignor's Interest May 28, 1999
From: BECFIELD DRILLING SERVICES, F/K/A BECFIELD HORIZONTAL DRILLING SERVICES CO.
To: PHOENIX DRILLING SERVICES, INC.
Reel/Frame 009987/0743 →
Release Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →