Patent Assignment
Reel/Frame 006889/0346
Assignment of Assignor's Interest
Recorded: 1994-03-04
Pages: 3
Assignor
PREUSSAG AKTIENGESELLSCHAFT
Executed: 1993-07-14
Assignee
BECFIELD DRILLING SERVICES
10908 METRONOME, HOUSTON, TEXAS, 77043
Covered Property
(1)
Tool for Drilling Curved Sections of Well Holes
Patent:
4,442,908 →
Application:
06/281,334 →
Related Assignments
(13)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest.
Oct 13, 1981
From: STEENBOCK, ARNO
To: PREUSSAG AKTIENGESELLSCHAFT, 1000 BERLIN, 3000 HANNOVER, GERMANY
Reel/Frame 003915/0401 →
Assignment of Assignor's Interest
May 2, 1994
From: PREUSSAG AKTIENGESELLSCHAFT
To: BECFIELD DRILLING SERVICES
Reel/Frame 006973/0522 →
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 9, 1998
From: BECFIELD DRILLING SERVICES
To: PHOENIX DRILLING SERVICES, INC., A CORP. OF DE
Reel/Frame 009005/0710 →
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 →
Assignment of Assignor's Interest
May 28, 1999
From: PHOENIX ENERGY ACQUISITION CORPOPRATION II
To: PHOENIX DRILLING SERVICES, INC.
Reel/Frame 009987/0761 →
Assignment of Assignor's Interest
May 28, 1999
From: BECFIELD DRILLING SERVICES
To: PHOENIX ENERGY ACQUISITION CORPORATION II
Reel/Frame 009996/0409 →
Security Agreement
Feb 2, 2000
From: BLACK WARRIOR WIRELINE CORP.
To: COAST BUSINESS CREDIT
Reel/Frame 010557/0078 →
Release
Mar 2, 2000
From: FLEET CAPITAL CORPORATION
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 010572/0514 →
Security Agreement
Sep 17, 2001
From: BLACK WARRIOR WIRELINE CORP.
To: GENERAL ELECTRIC CAPITAL CORPORATION, AS AGENT
Reel/Frame 011958/0442 →
Release of Patent Assignment and Security Interest
Sep 24, 2001
From: COAST BUSINESS CREDIT
To: BLACK WARRIOR WIRELINE CORP.
Reel/Frame 012002/0587 →