Patent Assignment Details
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| Reel/Frame: | 009379/0667 | |
| Pages: | 2 |
| | Recorded: | 08/07/1998 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
1
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Patent #:
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Issue Dt:
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11/02/1999
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Application #:
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09130914
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Filing Dt:
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08/07/1998
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Title:
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ESTER BASED INVERT EMULSION DRILLING FLUIDS AND MUDS HAVING NEGATIVE ALKALINITY
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Assignee
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| 857 LOUISIANA PLACE |
| 1207 LOUISIANA ST. |
| HOUSTON, TEXAS 77002 |
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Correspondence name and address
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CARTER J. WHITE
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POST OFFICE BOX 4433
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HOUSTON, TEXAS 77210-4433
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