IP Library Assignment 013386/0303
Patent Assignment
Reel/Frame 013386/0303

Change of Name

Recorded: 2002-10-15 Pages: 8
Assignor
BECFIELD DRILLING SERVICES GMBH
Executed: 2001-11-29
Assignee
PRECISION DRILLING TECHNOLOGY SERVICES GMBH
EDDESSER STRASSE 1, D-31234 EDEMISSEN, GERMANY
Covered Property (1)
Well Bore Data Transmission Apparatus
Patent: 5,182,731 →
Application: 07/889,888 →
Related Assignments (6)
Other recorded transfers of the patent in this record — the chain of ownership.
Assignment of Assignors Interest. May 29, 1992
From: HOELSCHER, HANS-JURGEN; KERK, THOMAS; TUENNERMANN, WILFRIED; WINNACKER, HELMUT
To: PREUSSAG AKTIENGESELLSCHAFT
Reel/Frame 006150/0155 →
Assignment of Assignor's Interest Mar 4, 1994
From: PREUSSANG AKTIENGESELLSCHAFT
To: BECFIELD DRILLING SERVICES
Reel/Frame 006889/0349 →
Assignment of Assignor's Interest Mar 18, 1994
From: PREUSSAG AKTIENGESELLSCHAFT, A GERMAN CORPORATION
To: BECFIELD DRILLING SERVICES
Reel/Frame 006900/0231 →
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 May 21, 1999
From: BECFIELD DRILLNG SERVICES
To: BECFIELD DRILLIG SERVICES GMBH
Reel/Frame 009968/0282 →