Patent Assignment Abstract of Title
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Total Assignments:
3
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Patent #:
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Issue Dt:
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01/30/2001
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Application #:
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09133747
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Filing Dt:
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08/13/1998
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Inventors:
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DAN PURKIS, BRETT BOULDIN
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Title:
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DIGITAL-HYDRAULIC WELL CONTROL SYSTEM.
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| RICHARD P. RUBBO |
| 445 WOODLINE DR. |
| SPRING, TEXAS 77386 |
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| PES, INC. |
| BRETT BOULDIN |
| 445 WOODLINE DR. |
| SPRING, TEXAS 77386 |
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Assignment:
2
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CHANGE OF NAME (SEE DOCUMENT FOR DETAILS).
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| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| 445 WOODLINE DRIVE |
| SPRING, TEXAS 77386 |
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| HALLIBURTON ENERGY SERVICES, INC. |
| WILLIAM M. IMWALLE |
| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| MAIL CODE 1-B-121, P.O. BOX 819052 |
| DALLAS, TEXAS 75381 |
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Assignment:
3
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| 445 WOODLINE DRIVE |
| SPRING, TEXAS 77386 |
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| HALLIBURTON ENERGY SERVICES, INC. |
| WILLIAM M. IMWALLE |
| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| P.O. BOX 819052, MAIL CODE 1-B-121 |
| DALLAS, TEXAS 75381 |
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