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Patent Assignment Details
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Reel/Frame:015980/0971   Pages: 6
Recorded: 05/10/2005
Conveyance: FIRST AMENDED SECURITY AGREEMENT
Total properties: 6
1
Patent #:
Issue Dt:
11/15/1994
Application #:
08057111
Filing Dt:
05/04/1993
Title:
METHOD OF DRILLING WITH FLUID INCLUDING BEES WINGS AND FLUID LOSS ADDITIVE THEREFOR
2
Patent #:
Issue Dt:
01/16/1996
Application #:
08292258
Filing Dt:
08/18/1994
Title:
METHOD OF DRILLING WITH FLUID INCLUDING NUT CORK AND DRILLING FLUID ADDITIVE
3
Patent #:
Issue Dt:
06/04/2002
Application #:
09359489
Filing Dt:
07/23/1999
Title:
METHOD AND COMPOSITION OF DRILLING WITH FLUID INCLUDING ADDITIVE
4
Patent #:
Issue Dt:
11/30/2004
Application #:
09805316
Filing Dt:
03/13/2001
Publication #:
Pub Dt:
09/12/2002
Title:
METHOD FOR CREATING DENSE DRILLING FLUID ADDITIVE AND COMPOSITION THEREFOR
5
Patent #:
NONE
Issue Dt:
Application #:
10095886
Filing Dt:
03/12/2002
Publication #:
Pub Dt:
10/10/2002
Title:
Method for creating dense drilling fluid additive and composition therefor
6
Patent #:
NONE
Issue Dt:
Application #:
10261016
Filing Dt:
09/30/2002
Publication #:
Pub Dt:
04/01/2004
Title:
Delivery system for drilling fluid dispersible additive tablet and associated methods
Assignor
1
Exec Dt:
06/30/2004
Assignee
1
1000 LOUISIANA, 3RD FLOOR
HOUSTON, TEXAS 77002
Correspondence name and address
WINSTEAD SECHREST & MINICK P.C.
P.O. BOX 50784
SANFORD E. WARREN, JR.
DALLAS, TX 75201

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