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: | 018861/0408 | |
| Pages: | 8 |
| | Recorded: | 02/07/2007 | | |
| Attorney Dkt #: | 012048.0110 |
| Conveyance: | SECURITY INTEREST TO THE AMENDED AND RESTATED CREDIT AGREEMENT |
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Total properties:
4
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Patent #:
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Issue Dt:
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10/25/1988
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Application #:
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07053472
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Filing Dt:
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05/26/1987
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Title:
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DRILLING AND COMPLETION FLUID
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Patent #:
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Issue Dt:
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10/19/1999
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Application #:
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09016514
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Filing Dt:
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01/30/1998
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Title:
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APPARATUS AND METHOD FOR TESTING LUBRICITY
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Patent #:
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Issue Dt:
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04/26/2005
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Application #:
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10281559
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Filing Dt:
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10/28/2002
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Publication #:
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Pub Dt:
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04/29/2004
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Title:
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ESTER-CONTAINING DOWNHOLE DRILLING LUBRICATING COMPOSITION AND PROCESSES THEREFOR AND THEREWITH
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Patent #:
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Issue Dt:
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10/28/2008
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Application #:
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11263639
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Filing Dt:
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10/31/2005
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Publication #:
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Pub Dt:
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03/16/2006
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Title:
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METHOD OF INCREASING THE RECOVERY OF SHALE-CONTAINING CUTTINGS DURING DRILLING OF A BOREHOLE
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Assignee
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| 2200 ROSS AVENUE; 6TH FLOOR |
| ATTN: J. DEVIN MOCK |
| DALLAS, TEXAS 75201 |
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Correspondence name and address
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DARREN W. COLLINS
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2001 ROSS AVENUE; SUITE 3000
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PATTON BOGGS LLP
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DALLAS, TX 75201
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