Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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Reel/Frame: | 009547/0077 | |
| Pages: | 11 |
| | Recorded: | 10/13/1998 | | |
Conveyance: | MERGER (SEE DOCUMENT FOR DETAILS). |
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Total properties:
6
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Patent #:
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Issue Dt:
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09/11/1984
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Application #:
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06338543
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Filing Dt:
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01/11/1982
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Title:
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WATER SOLUBLE COPOLYMERS CONTAINING VINYL IMIDAZOLE AS DRILLING FLUID ADDITIVES
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Patent #:
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Issue Dt:
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03/05/1985
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Application #:
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06474614
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Filing Dt:
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03/11/1983
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Title:
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USE OF CERTAIN MATERIALS AS THINNERS IN OIL BASED DRILLING FLUIDS
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Patent #:
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Issue Dt:
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05/10/1988
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Application #:
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06490195
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Filing Dt:
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04/29/1983
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Title:
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HIGH CAPACITY CONTINUOUS SOLID BOWL CENTRIFUGE
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Patent #:
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Issue Dt:
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10/28/1986
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Application #:
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06745180
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Filing Dt:
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06/17/1985
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Title:
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PROCESS AND APPARATUS FOR DRYING AND CLASSIFYING PARTICULATE GRANULATE MATERIAL
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Patent #:
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Issue Dt:
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04/21/1987
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Application #:
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06829454
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Filing Dt:
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02/11/1986
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Title:
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USE OF CERTAIN MATERIALS AS THINNERS IN OIL-BASED DRILLING FLUIDS
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Patent #:
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Issue Dt:
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12/15/1987
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Application #:
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06838975
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Filing Dt:
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03/12/1986
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Title:
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OIL BASED DRILLING FLUID REVERSION
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Assignee
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SUITE 856 |
P.O. BOX 42842 |
HOUSTON, TEXAS 77242 |
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Correspondence name and address
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RICHARD C. BEW
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P.O. BOX 42842
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SUITE 856
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HOUSTON, TX 77242
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