Patent Assignment Abstract of Title
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Total Assignments:
4
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Patent #:
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Issue Dt:
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01/30/1990
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Application #:
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07286915
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Filing Dt:
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12/20/1988
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Inventor:
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MARK W. DE ROUEN
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Title:
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METHOD AND SYSTEM FOR CLEANING WELL CASING
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| PATENT DEPARTMENT |
| ATLANTIC RICHFIELD COMPANY |
| 2300 WEST PLANO PARKWAY |
| PLANO, TX 75075 |
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Assignment:
2
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SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).
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| FIVE RIVERWAY |
| HOUSTON, TEXAS 77027 |
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| RIVERWAY BANK |
| TERI FOSTER |
| FIVE RIVERWAY |
| HOUSTON, TEXAS 77027 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST.
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| 15810 PARK TEN PLACE, STE. 100 |
| HOUSTON, TEXAS 77084 |
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| MARGARET A. BOULWARE |
| ONE RIVERWAY, STE. 1100 |
| HOUSTON, TX. 77056-1982 |
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Assignment:
4
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| SUITE 300 |
| 5923 BROADWAY |
| SAN ANTONIO, TEXAS 78209 |
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| JENKENS & GILCHRIST |
| MARGARET A. BOULWARE |
| 1100 LOUISIANA |
| SUITE 1800 |
| HOUSTON, TX 77002-5244 |
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