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