Patent Assignment
Reel/Frame 005564/0961
Assignment of Assignors Interest.
Recorded: 1990-12-26
Pages: 3
Covered Property
(1)
Underreamer with Simultaneously Expandable Cutter Blades and Method
Patent:
5,090,480 →
Application:
07/633,687 →
Related Assignments
(6)
Other recorded transfers of the patent in this record — the chain of ownership.
Merger
Feb 18, 1997
From: SLIMDRIL INTERNATIONAL INC., A TEXAS CORPORATION
To: PHOENIX DRILLING SERVICE, INC.
Reel/Frame 009367/0433 →
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 →
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 010078/0656 →
Security Interest
Feb 26, 1999
From: BLACK WARRIOR WIRELINE CORP.
To: FLEET CAPITAL CORPORATION
Reel/Frame 009781/0784 →
Release
Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →