Patent Assignment Abstract of Title
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Total Assignments:
1
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Patent #:
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Issue Dt:
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08/30/1994
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Application #:
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08004337
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Filing Dt:
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01/14/1993
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Inventor:
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PAUL D. RINGGENBERG
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Title:
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PRESSURE TEST AND BYPASS VALVE WITH RUPTURE DISC
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Assignment:
1
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ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).
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| LEGAL, INTELLECTUAL PROPERTY DEPARTMENT |
| P.O. BOX 819052 |
| DALLAS, TEXAS 75381 |
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| TRACY W. DRUCE |
| LEGAL, INTELLECTUAL PROPERTY DEPT. |
| HALLIBURTON ENERGY SERVICES |
| MAIL CODE 1-E-135 P.O. BOX 819052 |
| DALLAS, TX 75381 |
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